Chapter ke text par jao
Understanding Society: India and BeyondCh 9 The Price Puzzle: Market ko kya chalata hai

The Price Puzzle: What Drives the Market (The Price Puzzle: Market ko kya chalata hai): Class 9 Social Science Chapter 9 Hinglish mein

Understanding Society: India and Beyond Part 1 · Hinglish notes, simulations aur practice · Official NCERT chapter PDF ↗

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  • 65 min
  • 19 practice questions
  • 27 MCQs

Is chapter mein aap kya seekhenge

  • Demand aur supply samjhana aur law of demand aur law of supply batana
  • Demand aur supply schedules banana, unhe jodkar market schedules banana aur curves draw karna
  • Samjhana ki related goods, income, tastes, population, seasons aur expectations demand ko kaise badalte hain
  • Samjhana ki related goods, sellers ki sankhya, technology, costs aur expectations supply ko kaise badalte hain
  • Table ya graph se equilibrium price aur quantity nikaalna aur shortages aur surpluses samjhana
  • Dynamic prices ke examples se samjhana ki real duniya mein equilibrium baar-baar kyun badalta rehta hai
  • Batana ki government markets mein kyun aur kaise dakhal deti hai, aur aise intervention ki limits kya hain

NCERT Social Science Class 9, Chapter 9, pp. 195–213 par based original companion text. Yeh NCERT se juda nahi hai aur NCERT ne ise endorse nahi kiya hai.

Tumhare school ke bahar wale stall par ek plate pani puri ₹30 ki hai aur mall ke food court mein ₹80 ki. Jo auto ride sookhi dopahar mein ₹60 ki padti hai, woh cloudburst mein ₹100 ki ho sakti hai, agar auto mile bhi to. Tatkal train ticket hafton pehle book kiye ticket se mehenga hota hai, aur woollen jackets aksar February mein sale par aa jaati hain. Koi official in prices ka announcement nahi karta. To yeh prices aate kahan se hain?

Grade 7 mein, ‘Understanding Markets’ mein, tumne buyers aur sellers ko mol-bhaav karte dekha tha aur samjha tha ki bahut zyada ya bahut kam rakha gaya price tikta nahi. Yeh chapter price tag ke neeche jhaankta hai. Har price par do forces kaam karte hain, movie ticket se lekar ek kilo pyaaz tak: demand (माँग), yaani buyers kya chahte hain aur kitna pay kar sakte hain, aur supply (पूर्ति), yaani sellers kya offer karne ko taiyaar hain. Tum dekhoge ki dono milkar price kaise tay karte hain, real life mein woh price badalta kyun rehta hai, aur government kab beech mein aati hai.

9.1 Demand

Bahut se log naya laptop, sports bike ya samundar ke kinare flat chahenge. Chahna aasaan hai. Economics mein koi wish tabhi demand ginti hai jab woh insaan us cheez ke price par pay karne ko taiyaar aur saksham bhi ho. Buyer ke paas kitna paisa hai, yeh matter karta hai, aur yeh bhi ki us paise se kya milega. Economists ise purchasing power (क्रय शक्ति) kehte hain: kisi ek waqt par diye gaye paise se kitna kuch khareeda ja sakta hai. Jab prices income se tez badhte hain, to purchasing power ghat jaati hai.

Definition
Demand

Kisi good ya service ki woh quantity jo log ek diye gaye price par, ek diye gaye time mein, khareedne ko taiyaar hain aur khareed sakte hain.

ExampleWoh 2 kg angoor jo ek family ek hafte mein khareedti hai jab angoor ₹80 per kg hain.

Demand ke saath hamesha ek price juda hota hai. Poocho ki ek family kitne kilo angoor khareedegi, to sachcha jawab hai “Yeh price par depend karta hai.” ₹160 per kg par shayad woh treat ke taur par aadha kilo lein; ₹40 per kg par teen kilo. Price girne par zyada khareeda jaata hai aur badhne par kam. Yeh pattern itna common hai ki economists ise law of demand (माँग का नियम) kehte hain.

LawLaw of demand

Baaki cheezein same rehne par, jab kisi good ka price girta hai to quantity demanded badhti hai, aur jab price badhta hai to quantity demanded ghatti hai. Price aur quantity demanded ulti directions mein chalte hain: yeh ek inverse relationship hai.

9.1.1 Individual demand: schedule aur curve

Chalo ek buyer ko follow karte hain. Tenzin Siliguri mein apne ghar ke paas ek fruit cart se apni family ke liye angoor khareedta hai. Season bhar per kilogram price badalta hai, aur saath mein woh har hafte kitna khareedta hai, woh bhi. Ek buyer har price par jitni quantity chahta hai, jab uski income, tastes aur doosre prices same rakhe jaayein, woh uski individual demand hai. Table ke roop mein likhne par yeh demand schedule ban jaata hai (Table 9.1).

Table 9.1Tenzin ki angooron ki weekly demand (ek individual demand schedule)
PointPrice (₹ per kg)Quantity demanded (kg har hafte)
A1600.5
B1201
C802
D403

Ab ise draw karo. Price ko vertical axis par aur quantity ko horizontal axis par rakho, har row ke liye ek point mark karo aur points ko jod do. Jo line milti hai woh Tenzin ka demand curve hai (Fig. 9.1). Yeh left se right neeche ki taraf jhukta hai, aur yahi slope picture ke roop mein law of demand hai: neeche kam prices ki taraf jaate ho, to right mein badi quantities ki taraf jaate ho.

5/5Points ko jodne par uska demand curve banta hai, jo neeche ki taraf jhukta hai.

Fig. 9.1Tenzin ka demand schedule demand curve ke roop mein draw kiya gaya.NCERT Fig. 9.2 · p. 196

Ek graph jismein vertical axis par rupees per kg mein price (₹40 se ₹160) aur horizontal axis par kg mein quantity (0.5 se 3 kg) hai. Step 1 mein point A ₹160 aur 0.5 kg par mark hota hai, dono axes tak dashed guide lines ke saath. Step 2 mein point B ₹120 aur 1 kg par judta hai. Step 3 mein point C ₹80 aur 2 kg par judta hai. Step 4 mein point D ₹40 aur 3 kg par judta hai. Step 5 mein A, B, C aur D ek line se jud jaate hain jis par demand curve likha hai, aur woh left se right neeche jhukti hai.

9.1.2 Market demand

Fruit seller ko ek buyer se zyada ki fikr hoti hai. Use un sab ki fikr hoti hai jo uske cart ke paas se guzarte hain. Market demand woh total quantity hai jo market ke saare buyers har price par chahte hain. Ise nikaalne ke liye ek baar mein ek price lo aur jodo ki us price par har buyer kitna khareedega.

Maan lo Tenzin ke padosi Farhan aur Gurleen bhi usi cart se khareedte hain. Unke weekly plans Table 9.2 mein hain. Gurleen ko dekho: ₹160 par woh bilkul nahi khareedti, kyunki uske liye angoor itne ke laayak nahi hain.

Table 9.2Teen buyers aur angooron ki market demand (kg per week)NCERT Table 9.1 · p. 197
Price (₹ per kg)TenzinFarhanGurleenMarket demand
1600.5101.5
1201214
802327
4034411

Is tarah price-dar-price sideways jodne ki wajah se market demand ko individual demands ka horizontal sum kaha jaata hai. Totals plot karo aur tumhe market demand curve milta hai (Fig. 9.2). Yeh bhi neeche jhukta hai, do wajahon se: har buyer kam prices par zyada khareedta hai, aur kuch buyers, jaise Gurleen, market mein tabhi aate hain jab price kaafi kam ho.

3/3Totals jodo: yeh hai market demand curve.

Fig. 9.2Market demand har price par har buyer ki quantity jodti hai.NCERT Fig. 9.3 · p. 197

Vertical axis par rupees per kg mein price hai aur horizontal axis par kg mein quantity. Step 1 mein ₹80 par ek horizontal bar dikhti hai jo teen hisson se bani hai: Tenzin ke 2 kg, Farhan ke 3 kg (hatched) aur Gurleen ke 2 kg, jo 7 kg par khatam hoti hai. Step 2 mein waisi hi bars ₹160 (kul 1.5 kg), ₹120 (4 kg) aur ₹40 (11 kg) par judti hain. Step 3 mein chaaron bars ke siron ko ek line se joda jaata hai jis par market demand likha hai, aur woh neeche jhukti hai.

Quick check
3 mein se 1
Meera ko ₹40,000 ka phone chahiye lekin uske paas sirf ₹6,000 hain aur udhaar lene ka koi tareeka nahi. Kya uski wish us phone ki market demand ka hissa hai?
Answer dekho

Answer (D) Nahi, kyunki woh us price par pay nahi kar sakti

Demand mein sirf woh wishes ginti hain jinke peeche us price par pay karne ki capacity ho. Bas bahut zyada chahna (option A) kaafi nahi hai.

9.1.3 Demand ke doosre determinants

Sirf price hi demand ko nahi hilata. India ke cricket final se ek raat pehle dukaanon mein team jerseys khatam ho jaati hain, jabki unka price bilkul nahi badla. Price ke alawa kisi aur cheez ne, yahan excitement ne, logon ko zyada chahne par majboor kiya. Aisi forces ko determinants of demand kehte hain. Inmein se chhe sabse zyada matter karte hain.

Related goods ke prices

Jab kisi shehar ka metro fare achanak badh jaata hai, to bus rides ka kya hota hai? Bus mein kuch nahi badla, phir bhi buses bhar jaati hain. Commuters dono options ko phir se tolte hain, aur kuch logon ke liye dheemi lekin ab relatively sasti bus jeet jaati hai. Jo goods is tarah ek doosre ki jagah le sakte hain, woh substitute goods (स्थानापन्न वस्तुएँ) hain; sarson ka tel aur moongphali ka tel ek aur jodi hai. Ek ka price badhne se doosre ki demand badhti hai.

Kuch goods sirf team ke roop mein hi kaam ke hote hain: scooter aur helmet, gas stove aur LPG cylinder, cricket bat aur ball. Yeh complementary goods (पूरक वस्तुएँ) hain. Inki demands saath-saath badhti aur girti hain, isliye ek ka price badhne se uske partner ki demand ghatti hai. Scooters mehenge hone par helmet shops ko iska asar mehsoos hota hai: sadak par kam naye scooters ka matlab hai helmet khareedne wale kam naye riders.

Compare

Substitutes ya complements?

Substitutes

  • Ek doosre ki jagah use hote hain
  • Metro rides aur bus rides
  • Ek ka price badhe → doosre ki demand badhti hai

Complements

  • Saath-saath use hote hain
  • Scooters aur helmets
  • Ek ka price badhe → doosre ki demand ghatti hai

4/4Same cause (price ka badhna), ulte effects.

Fig. 9.3Mehenga substitute demand badhata hai; mehenga complement demand ghatata hai.

Arrows se judi boxes ki do rows. Upar wali row, substitutes, metro fare wale box ko bus rides wale box se jodti hai. Neeche wali row, complements, scooter price ko helmets se jodti hai. Step 1 mein sirf boxes aur arrows dikhte hain. Step 2 mein metro fare badhta hai aur bus rides wala box plus sign ke saath badhti demand dikhata hai. Step 3 mein scooter price badhta hai aur helmets wala box minus sign ke saath girti demand dikhata hai. Step 4 dono effects ek saath dikhata hai.

Buyer ki income

Tankhwah badhne se family ki shopping list badal jaati hai. Fruit, naye kapde aur holiday list mein upar aa jaate hain, isliye zyaadatar goods ki demand income ke saath badhti hai. Lekin sab ki nahi. Jo family pehle shared autos mein thus kar jaati thi, woh income badhne par apna scooter khareed sakti hai, aur phir kam shared-auto rides leti hai. Jin goods ko log ameer hone par kam khareedte hain, unhe inferior goods kehte hain. Yeh shabd batata hai ki buyers kaise behave karte hain, good ki quality nahi. Kuch basic cheezon ki demand, jaise namak, income ke saath mushkil se hi badalti hai.

Tastes aur preferences

Ek cricket fan final ke ticket ke liye lagbhag kuch bhi de degi; uska bhai ticket free mile tab bhi na jaaye. Log jo pasand karte hain, wahi tay karta hai ki woh kya demand karte hain, aur pasand poore samaj mein bhi badalti hai. Fitness mein badhti dilchaspi ne running shoes aur gym memberships ki demand badha di hai. United Nations ne 2023 ko International Year of Millets ghoshit kiya, aur food companies ne is nayi dilchaspi ka jawab millet biscuits, noodles aur snacks se diya.

Population ka size aur banawat

Jitne zyada log, utni hi zyada lagbhag har cheez ki demand. United Nations ke estimates dikhate hain ki 2023 mein India duniya ka sabse zyada population wala desh ban gaya, isliye Indian households ka kharcha economy mein ek badi force hai. Yeh log kaun hain, yeh bhi matter karta hai. Jis pahadi town mein bahut se retired log rehte hain, wahan chemists aur eye clinics busy rehte hain; young families wali nayi township ko school vans aur tiffin boxes chahiye; jo shehar young workers ko kheenchta hai, wahan kiraye ke kamre kam pad jaate hain.

Seasons aur tyohaar

Demand calendar ke saath bhi chalti hai. Monsoon mein raincoats aur chhatris tezi se bikte hain, Makar Sankranti se pehle dukaanein patangon se bhar jaati hain, aur Holi se pehle rang aur pichkariyan. Air coolers May mein chahiye hote hain, December mein nahi. Har case mein price shayad bilkul nahi badla; season ya tyohaar badla hai.

Future prices ki ummeed

Markets mein afwaahein tezi se phailti hain. Agar news aaye ki agle mahine pyaaz ka price double ho sakta hai, to families aaj hi ek extra bori bhar leti hain. Agar pata chale ki jaldi hi naya phone model launch hone wala hai, to buyers ruk jaate hain, kyunki tab current model sasta ho jaayega. Dono kahaniyon mein aaj ka price same hai; bas kal ke baare mein expectations alag hain, aur woh pehle case mein aaj ki demand ko upar aur doosre mein neeche dhakelti hain.

Quick check
4 mein se 1
Cinema tickets bahut mehenge ho jaate hain, jabki streaming-app plans ka price pehle jaisa hi hai. Streaming plans ki demand ka kya hota hai?
Answer dekho

Answer (C) Badhti hai, kyunki kuch film dekhne wale ab ghar par dekhte hain

Cinema ticket aur streaming plan ek doosre ki jagah le sakte hain, isliye woh substitutes hain: jab ek mehenga hota hai, to doosre ki demand badhti hai. Option B bhool jaata hai ki related prices bhi matter karte hain.

9.2 Supply

Ab counter ke doosri taraf chalo. Nashik ke aas-paas ke angoor ugaane wale, wholesale mandi ke traders aur tumhari gali ke cart wale, sab suppliers hain. Supply is baare mein hai ki sellers kya offer karne ko taiyaar hain, aur demand ki tarah yeh bhi hamesha ek price se judi hoti hai.

Definition
Supply

Kisi good ya service ki woh quantity jo sellers ek diye gaye price par, ek diye gaye time mein, bechne ke liye rakhne ko taiyaar hain aur deliver kar sakte hain.

ExampleWoh 25 kg angoor jo ek grower ek din mein market bhejta hai jab angooron ka price ₹80 per kg mil raha hai.

Sellers price par buyers se ulta react karte hain. Ooncha price har kilo ko zyada profitable banata hai, isliye grower zyada todta aur bhejta hai aur trader dukaan der tak khuli rakhta hai. Bahut ooncha price naye sellers ko bhi kheench laata hai: sabzi wali apne cart par angoor bhi rakh sakti hai. Kam price iska ulta karta hai. Isse law of supply (पूर्ति का नियम) milta hai.

LawLaw of supply

Baaki cheezein same rehne par, jab kisi good ka price badhta hai to quantity supplied badhti hai, aur jab price girta hai to quantity supplied ghatti hai. Price aur quantity supplied ek hi direction mein chalte hain.

9.2.1 Individual aur market supply

Farm se dekho to angoor ka season aisa chalta hai. Pehle hafton mein sirf kuch bele paki hoti hain, market tak thode hi phal pahunchte hain, aur traders unke achhe paise dete hain. Kuch hafton baad district ki har bel phalon se ladi hoti hai, mandi bhar jaati hai aur price fisalne lagta hai. Jab sellers buyers ki chahat se kam laate hain, to prices chadhte hain; jab zyada laate hain, to prices girte hain. Is idea ko pakad kar rakho: yahi Section 9.3 ki chaabi hai.

Rukmini, Joseph aur Harjeet angoor ugaate hain aur unhe ek town market bhejte hain. Individual supply woh hai jo ek seller har price par offer karta hai. Market supply woh total hai jo saare sellers har price par offer karte hain, jo sab ko jodkar milta hai, bilkul waise jaise humne demand ke liye kiya tha (Table 9.3).

Table 9.3Teen growers aur angooron ki market supply (kg per day)NCERT Table 9.2 · p. 201
Price (₹ per kg)RukminiJosephHarjeetMarket supply
40105015
8025151050
12035252585
160403540115

Harjeet ka farm town se door hai, isliye ₹40 per kg par trip ka koi fayda nahi aur woh kuch nahi bhejta. Price badhne par har grower zyada offer karta hai. Rows plot karo to curves upar ki taraf jaate hain (Fig. 9.6).

3/3Teenon growers ko jodne se market supply curve milta hai.

Fig. 9.6Supply curves upar ki taraf jaate hain: ooncha price zyada supply laata hai.NCERT Fig. 9.5 · p. 201

Vertical axis par rupees per kg mein price (₹40 se ₹160) aur horizontal axis par kg mein quantity hai. Step 1 Rukmini ke chaar points mark karta hai: ₹40, ₹80, ₹120 aur ₹160 par 10, 25, 35 aur 40 kg. Step 2 unhe jodkar uska upar jaata supply curve banata hai. Step 3 same prices par 15, 50, 85 aur 115 kg se hokar market supply curve jodta hai, aur ₹120 par ek dashed arrow dikhata hai ki market total Rukmini ki apni quantity se kitna aage hai.

9.2.2 Supply ke doosre determinants

Demand ki tarah, good ke apne price ke alawa bahut si cheezein badalti hain ki sellers kitna offer karte hain.

Related goods ke prices

Producer ki zameen, machines aur kaam ke ghante aam taur par ek se zyada cheez bana sakte hain. Baker ka oven bread bhi bake kar sakta hai aur cakes bhi. Agar shaadi ke season ke orders cakes ka price badha dein jabki bread usi price par bik rahi hai, to baker oven ke zyada ghante cakes ko deta hai, aur dukaanon tak kam bread pahunchti hai (Fig. 9.7). Kisaan har season yahi choice karte hain jab tay karte hain ki khet mein kaun si fasal boni hai.

3/3Cakes ke liye zyada ghante: bread ki supply girkar 60 loaves.

Fig. 9.7Jab koi doosra product zyada paisa deta hai, to is wale ki supply ghatti hai.NCERT Fig. 9.6 · p. 202

Ek lambi bar ek oven ke 10 working hours dikhati hai. Step 1 aam batwara dikhata hai: 6 ghante bread aur 4 ghante cakes, jisse 20 loaves per oven hour ke hisaab se 120 loaves bread banti hai. Step 2 do price tags jodta hai: cake price badh gaya hai, jabki bread price same hai. Step 3 naya plan dikhata hai: 3 ghante bread aur 7 ghante cakes, isliye sirf 60 loaves bread supply hoti hai.

Sellers ki sankhya

Zyada sellers ka matlab zyada supply. Jab naya wholesale market khulta hai, ya bahut se kisaan ek fasal ugaane lagte hain, to har price par buyers tak uski zyada quantity pahunchti hai, aur price girne lagta hai. Jab sellers chale jaate hain, maan lo baadh ke baad chhoti dukaanein band ho jaati hain, to supply ghat jaati hai aur price badhne lagta hai.

Technology aur costs

Behtar technology se producer utni hi mehnat mein zyada bana paata hai, jisse har unit ki cost ghat jaati hai. Handloom se power loom par jaane wala weaver ek din mein kai guna zyada kapda bana sakta hai, aur seed drill se kisaan ek din mein utna bo leta hai jitna pehle ek hafte mein hota tha. Saste inputs bhi aise hi kaam karte hain, jabki mehenge inputs, jaise mehenga fertiliser ya diesel, supply ko neeche dhakelte hain (Fig. 9.8).

2/3Behtar technology ya zyada sellers: har price par zyada offer hota hai.

Fig. 9.8Price change supply curve ke saath-saath chalata hai; doosre changes use shift karte hain.

Price aur quantity ke axes par upar jaata ek supply curve jis par S likha hai. Step 1 curve ke saath ek movement mark karta hai, neeche price wale point A se upar oonche price wale point B tak, jab sirf good ka apna price badalta hai. Step 2 right mein ek doosra supply curve jodta hai, right ki taraf arrow aur label more supply ke saath, jaise technology behtar hone ya sellers judne par. Step 3 uski jagah left mein ek dashed curve jodta hai jis par less supply likha hai, jaise hailstorm ya input costs badhne ke baad.

Future ke baare mein expectations

Sellers bhi apni ummeedon ke hisaab se kaam karte hain. Jo cement company agle saal building boom ki ummeed karti hai, woh naya plant laga sakti hai, isliye supply baad mein badhti hai. Jo trader sochta hai ki tyohaaron ke season se theek pehle gud zyada mehenga bikega, woh abhi apne stock ka kuch hissa godown mein rakh sakta hai, isliye aaj ki supply ghatti hai. Jab jama karna normal zaroorat se kaafi aage chala jaaye, mainly aane wali kami se profit kamaane ke liye, to use hoarding kehte hain; Section 9.4.1 dikhata hai ki law isse kaise nipatta hai.

Quick check
4 mein se 1
Kaun sa statement law of supply hai?
Answer dekho

Answer (D) Ooncha price zyada quantity supplied laata hai

Baaki cheezein same rehne par, price ooncha hone par sellers zyada offer karte hain. Option B supply ko demand ke saath mix kar deta hai, jo ulti taraf kaam karti hai.

9.3 Market equilibrium

Market ko ek rassakashi (tug-of-war) samjho. Rassi ke ek taraf buyers hain, jo kam pay karna chahte hain; doosri taraf sellers, jo zyada paana chahte hain. Koi bhi team akele price tay nahi kar sakti. Rassi wahin rukti hai jahan dono teams ke plans match karte hain.

Ek Sunday ko kisi town ke poore angoor market ki kalpana karo, jismein saikdon buyers aur darjanon sellers hain. Table 9.4 dikhata hai ki paanch mumkin prices par woh sab milkar kitna khareedna aur bechna chahte hain.

Table 9.4Sunday ko ek town ka angoor marketNCERT Table 9.3 · p. 203
Price (₹ per kg)Demanded (kg)Supplied (kg)Result
4022020200 kg ki shortage
6018080100 kg ki shortage
80140140Equilibrium
100100200100 kg ka surplus
12060260200 kg ka surplus

₹100 par sellers 200 kg laate hain lekin buyers sirf 100 kg chahte hain. Quantity supplied quantity demanded se zyada hai: yeh excess supply hai, yaani surplus (अधिपूर्ति). Kharab hone wale angooron ke saath phanse sellers prices kam karne lagte hain, aur price neeche fisalta hai.

₹60 par problem ulti ho jaati hai. Buyers 180 kg chahte hain lekin sirf 80 kg aate hain. Yeh excess demand hai, yaani shortage (अधिमाँग). Kuch buyers khaali haath laut jaate hain, kuch zyada offer karte hain, aur sellers dekhte hain ki woh ooncha price maang sakte hain. Price chadh jaata hai.

Sirf ₹80 par plans match karte hain: buyers 140 kg chahte hain aur sellers 140 kg offer karte hain. Price ko upar ya neeche koi nahi dhakelta. Yeh market equilibrium (बाज़ार संतुलन) hai; ₹80 equilibrium price hai aur 140 kg equilibrium quantity. Economists kehte hain ki market clear ho jaata hai: koi angoor bina bike nahi bachta, aur ₹80 dene ko taiyaar koi buyer khaali haath ghar nahi jaata.

Definition
Market equilibrium

Woh situation jismein buyers jitni quantity chahte hain woh sellers ki offer ki gayi quantity ke barabar hoti hai, isliye na shortage hoti hai na surplus, aur jab tak market mein kuch aur na badle, price ke badalne ka koi jhukaav nahi hota.

ExampleTown ke angoor market mein ₹80 per kg aur 140 kg.

Graph par equilibrium woh point hai jahan demand curve aur supply curve ek doosre ko kaatte hain (Fig. 9.9). Koi bhi doosra price curves ke beech ek gap chhodta hai, aur wahi gap price ko wapas dhakelta hai.

4/4Curves E par kaatte hain: ₹80 per kg aur 140 kg.

Fig. 9.9Price E ki taraf kheencha jaata hai, jahan demand supply se milti hai.NCERT Fig. 9.7 · p. 204

Price (₹40 se ₹120) aur kg mein quantity ke axes par neeche jhukta demand curve D aur upar jaata supply curve S. Step 1 sirf do curves dikhata hai. Step 2 ₹100 par ek dashed line kheenchta hai: yeh D se 100 kg par aur S se 200 kg par milti hai, aur dono ke beech ka gap 100 kg ke surplus ke roop mein mark hai. Step 3 ₹60 par ek dashed line kheenchta hai: yeh S se 80 kg par aur D se 180 kg par milti hai, aur gap 100 kg ki shortage ke roop mein mark hai. Step 4 point E mark karta hai, jahan curves kaatte hain, ₹80 aur 140 kg par.

Neeche wale explorer mein khud try karo. Ek price set karo aur gap padho, phir button dabao aur market ko adjust hone do. Uske baad koi event jodo, jaise angoor ke bagichon par hailstorm, aur dekho ki equilibrium khud kaise khisakta hai.

InteractiveMarket explorer: angoor

Town ke angoor market ka ek interactive graph jismein ek demand line, ek supply line aur ek dashed price line hai. ₹20 se ₹150 tak ka price slider dikhata hai ki us price par buyers kitne kilogram chahte hain aur sellers kitne offer karte hain, aur ek message shortage ya surplus aur price kis direction mein jaayega, yeh batata hai. Do aur sliders demand aur supply ko left ya right shift karte hain. Buttons wedding season ya hailstorm jaise events try karte hain, Let the price adjust button price ko step by step naye equilibrium tak le jaata hai, aur Reset shuruaat wali state wapas laata hai.

Fig. 9.10Price ko hilao, ya demand aur supply ko shift karo, aur gap dekho. Market ko apna equilibrium dhoondhte dekhne ke liye Let the price adjust dabao.
Quick check
4 mein se 1
Ek toy ke current price par dukaanon mein 500 bina bike pieces jama ho rahe hain. Yeh kya hai, aur price ka kya hoga?
Answer dekho

Answer (C) Excess supply; price girega

Bina bika stock ka matlab hai quantity supplied quantity demanded se zyada hai, yaani surplus, aur sellers use nikaalne ke liye prices kam karte hain. Option D direction galat batata hai.

9.3.1 Kya real duniya mein market equilibrium hota hai?

Tamatar lagbhag har saal iska jawab dikhate hain. India mein tamatar ke prices aam taur par July aur August ke kami wale mahinon mein badhte hain, jab garmi aur bhaari baarish fasal aur uske transport ko nuksaan pahunchaati hai. 2023 mein yeh uchhaal bahut tez tha: Department of Consumer Affairs ke mutaabik 19 July 2023 ko all-India average retail price lagbhag ₹119 per kg tha. Supply left mein shift ho chuki thi, isliye equilibrium kaafi oonche price par khisak gaya tha (Fig. 9.11).

Government kuch samay ke liye beech mein aayi. Do cooperative agencies, NCCF aur NAFED, ne Andhra Pradesh, Karnataka aur Maharashtra ki mandiyon se tamatar khareede aur unhe un shehron mein saste mein becha jahan prices sabse zyada badhe the: pehle ₹90 per kg par, phir ₹80 aur ₹70 par. 20 August 2023 tak Department ne wholesale aur retail prices mein lagataar girawat report ki, aur agencies ka rate ₹40 tak aa gaya tha. Har nayi fasal, aur kharab mausam ka har daur, ek naya equilibrium set karta hai.

Jo tamatar ke liye sach hai, woh zyaadatar goods ke liye sach hai. Kamzor monsoon, naya highway, port par strike, viral video, diesel prices mein uchhaal ya pandemic, inmein se har ek demand ya supply ko shift kar sakta hai. Isliye jis point par curves kaatte hain woh ek chalta-phirta target hai, khadi car se zyada us fielder jaisa jo ek aisi ball ke peeche bhaag raha hai jise baar-baar phir se maara ja raha ho. Graph ka saaf-suthra point phir bhi kaam ka hai: woh batata hai ki abhi is waqt price kis taraf kheencha ja raha hai.

2/3Garmi aur bhaari baarish supply kam karte hain: curve left mein shift hota hai aur price uchhal kar E2 par pahunchta hai.

Fig. 9.11Jab bhi demand ya supply khisakti hai, equilibrium bhi khisakta hai (schematic).NCERT p. 204

Price aur quantity ke axes par ek demand curve D aur ek supply curve S, bina numbers ke, ek schematic ke roop mein. Step 1 aam season dikhata hai: curves E1 par, aam price par kaatte hain. Step 2 kami wala season dikhata hai: supply curve left mein shift hota hai (purana halka aur dashed dikhta hai, left ki taraf arrow ke saath), aur naya crossing point E2 kaafi oonche peak price par hai. Step 3 taazi fasal aate dikhata hai: supply phir right mein shift hoti hai, apni purani jagah se thoda aage, aur crossing point E3 kam price par hai.

Quick check
3 mein se 1
Real market shayad hi kabhi ek fixed equilibrium par tika rehta hai, kyun?
Answer dekho

Answer (D) Demand aur supply mausam, costs, news aur events ke saath shift hote rehte hain

Demand ya supply ka har shift ek naya equilibrium banata hai, isliye market adjust karta rehta hai. India mein zyaadatar prices government fix nahi karti (option B).

9.4 Economy mein government ka role

India zyaadatar markets par chalta hai: zyaadatar prices demand aur supply tay karte hain, koi official nahi. Tumhari textbook India ko duniya ki chauthi sabse badi economy batati hai. Aisi rankings growth aur exchange rates ke saath saal-dar-saal badalti rehti hain, lekin India saaf taur par sabse badi economies mein se ek hai. Phir bhi yahan sab kuch khula nahi chhoda gaya. India rules wali market economy hai, aur government usmein hissa leti hai.

Government ko dakhal dena hi kyun chahiye? Market ek kaam mein bahut achha hai: goods un logon tak pahunchaana jo unke liye pay karenge. Lekin uska dil nahi hota. Woh insulin ki aakhri vial sabse zyada boli lagaane wale ko bechta hai, sabse beemar patient ko nahi. Luxuries ke liye yeh theek hai; zaroori cheezon ke liye yeh kroor ho sakta hai. Isliye governments equity ki bhi fikr karti hain, yaani kam income wali aur kamzor families ke saath insaaf, aur wahan beech mein aati hain jahan akela market unhe peeche chhod deta.

Governments teen main tareekon se hissa leti hain, jinhe yeh section aage explore karta hai. Woh unfair practices ko regulate karti hain (Section 9.4.1), woh woh public goods provide karti hain jinhe markets nazarandaaz karte hain (Section 9.4.2), aur unhe yeh bhi pata hona chahiye ki kahan rukna hai (Section 9.4.3).

9.4.1 Unfair practices ka regulation

Ek tool hai price ceiling (उच्चतम निर्धारित कीमत): kaanoon se tay maximum price. Kai auto-rickshaws ke andar laga fare chart ek aisa hi ceiling hai, jo state transport authority fix karti hai. Ek aur ceiling India ki National Pharmaceutical Pricing Authority (NPPA) set karti hai, jo zaroori medicines ke liye ceiling prices fix karti hai taaki patients se zyada paise na liye jaayein.

Definition
Price ceiling

Government ka fix kiya hua maximum price; sellers isse zyada nahi le sakte, chahe market price isse zyada hota.

ExampleZaroori medicines ke ceiling prices.

Iska ulta tool hai price floor (निम्नतम निर्धारित कीमत): kaanoon se tay minimum price. Sabse jaana-maana floor hai minimum wage. Central aur state governments sabse kam daily ya monthly pay fix karti hain jo employers ko workers ko deni hi padti hai, taaki mehnat bahut saste mein na khareedi jaaye. Gehun aur dhaan jaisi fasalon ke liye announce hone wala minimum support price (MSP) bhi isi soch se kaam karta hai: kai states mein government agencies us price par khareedti hain, isliye jo kisaan unhe bech sakte hain unhe kam lene ki zaroorat nahi.

Definition
Price floor

Government ka fix kiya hua minimum price; buyers isse kam pay nahi kar sakte. Yeh market ko tabhi badalta hai jab yeh equilibrium price se ooncha ho.

ExampleWorkers ke liye minimum wage.

Dekho ki har tool market ke saath kya karta hai (Fig. 9.12). Ceiling tabhi asar karta hai jab use equilibrium price se neeche set kiya jaaye: tab buyers sellers ke offer se zyada chahte hain, aur shortage aa jaati hai. Floor tabhi asar karta hai jab use equilibrium se upar set kiya jaaye: tab sellers buyers ki chahat se zyada offer karte hain, yaani surplus. Wages ke case mein us surplus ka matlab hoga ki jitni naukriyan hain usse zyada log kaam dhoondh rahe hain, haalaanki economists ab bhi bahas karte hain ki real labour markets mein yeh effect kitna bada hai. Equilibrium price se upar set kiya ceiling kuch bhi nahi badalta.

2/4E se neeche maximum price: buyers sellers ke offer se zyada chahte hain, yaani shortage.

Fig. 9.12E se neeche ceilings shortages laate hain; E se upar floors surpluses laate hain.

Demand curve D aur supply curve S point E par kaatte hain. Step 1 E par free market dikhata hai. Step 2 E se neeche ek dashed ceiling line kheenchta hai: us price par quantity supplied quantity demanded se kam hai, aur gap par shortage likha hai. Step 3 E se upar ek dashed floor line kheenchta hai: quantity supplied quantity demanded se zyada hai, aur gap par surplus likha hai. Step 4 E se upar ek ceiling kheenchta hai: market E par hi rehta hai, jis par no change likha hai, kyunki legal maximum us price se zyada hai jo log pehle se pay kar rahe hain.

Teesri chinta hai monopoly (एकाधिकार): aisa market jismein kisi aisi cheez ka sirf ek seller ho jiska koi kareebi substitute nahi. Koi rival na hone par monopolist zyada charge kar sakta hai, kam bech sakta hai aur quality girne de sakta hai. Kuch services natural monopolies hoti hain; aam taur par ek shehar mein bijli ke taar chalaane wali ek hi company hoti hai. Isiliye State Electricity Regulatory Commissions power companies ke tariffs approve karti hain, aur isiliye Competition Commission of India un firms ki jaanch karta hai jo apni dominant position ka galat use karti hain ya milkar prices fix karti hain.

Kai markets ka ek specialist watchdog, yaani regulator, bhi hota hai jo sector ke liye rules likhta hai aur check karta hai ki firms unhe follow karein (Table 9.5). Inmein se kuch tumhe Grade 7 se yaad honge.

Table 9.5India ke kuch regulatorsNCERT p. 206
RegulatorKis par nazar rakhta haiKab bana
Reserve Bank of India (RBI)banks aur paisa1935
Securities and Exchange Board of India (SEBI)shares aur stock market1988; legal powers 1992 mein
Telecom Regulatory Authority of India (TRAI)phone aur internet services1997
Competition Commission of India (CCI)firms ka monopoly abuse aur price-fixing2003
Central Consumer Protection Authority (CCPA)consumer rights, gumraah karne wale ads aur unfair trade2020

9.4.2 Public goods ka provision

Kuch cheezein sabke kaam ki hoti hain lekin unhe ek-ek karke bechna mushkil hota hai. Ek baar streetlight jal jaaye, to gali se guzarne wale har insaan ko uski roshni milti hai, chahe usne pay kiya ho ya nahi, aur ek aur raahgir aane se roshni zara bhi kam nahi hoti. Aise goods public goods (सार्वजनिक वस्तुएँ) hain. Lighthouses, baadh rokne wale bandh, streetlights, public parks, police aur army iske examples hain, aur governments inhe provide karti hain ya inka kharcha uthaati hain.

Definition
Public goods

Aise goods ya services jinse sabko ek saath fayda hota hai, jahan pay na karne walon ko use karne se rokna mushkil hota hai aur ek insaan ke use karne se doosron ke liye kam nahi bachta; aam taur par inhe government provide ya fund karti hai.

ExampleStreetlights, national defence aur naaliyan.

Koi private company inhe bana kar inka charge kyun nahi leti? Maan lo ek gali ke 20 gharon ko streetlights chahiye jinki cost ₹60,000 hai, yaani ₹3,000 per ghar (Fig. 9.13). Har family chupchaap ummeed karti hai ki padosi paise de denge, taaki woh bina kuch kharch kiye roshni ka maza le sake. Agar sirf 7 families pay karti hain, to fund sirf ₹21,000 tak pahunchta hai aur gali andheri rehti hai, jabki har family roshni chahti thi. Jo log bina pay kiye kisi good ka maza lete hain, unhe free riders kehte hain. Unki wajah se koi firm cost cover karne laayak paise ikattha nahi kar sakti, isliye government aise goods provide karti hai aur unka kharcha un taxes se uthaati hai jo sab milkar dete hain.

2/3Sirf 7 ghar pay karte hain: ₹21,000 kaafi nahi, isliye lights nahi.

Fig. 9.13Free riders ek kaam ke project ko bina fund ke chhod dete hain; taxes is problem ko solve karte hain.

Upar ek bar gali ki streetlights ke liye zaroori fund dikhati hai, ₹60,000. Neeche do rows mein 20 chhote ghar hain. Step 1 plan dikhata hai: 20 ghar, har ek ₹3,000 deta hai, aur fund abhi khaali hai. Step 2 dikhata hai ki sirf 7 gharon ne pay kiya: woh ghar shaded hain, fund bar sirf lagbhag ek-tihaai, ₹21,000 tak bharti hai, aur ek note kehta hai kam pada, lights nahi. Step 3 taxes se pay ki gayi lights dikhata hai: bar ₹60,000 par poori bhari hai, gharon ke upar lamps dikhte hain, saare ghar roshan hain aur note kehta hai sabke liye lights.

Quick check
4 mein se 1
Equilibrium price se neeche set kiya price floor surplus banata hai.
Answer dekho

Answer Galat

Market price pehle se us minimum se upar hai, isliye floor bind nahi karta aur kuch nahi badalta. Floor surplus tabhi banata hai jab use equilibrium se upar set kiya jaaye.

9.4.3 Government intervention ki limitations

Government action market ki kuch failures theek kar sakta hai, lekin uski apni costs bhi hoti hain. Bahut zyada, ya galat tarah ka action, unhi logon ko nuksaan pahuncha sakta hai jinki woh madad karna chahta hai. Teen problems baar-baar saamne aati hain.

Galat signal dene wale prices. Maan lo ek town doodh ka price ₹45 per litre par cap kar deta hai jabki market price ₹56 hai. Pehle families khush hoti hain. Lekin ab dairy farmers ko har litre ke liye usse kam milta hai jitna buyers khushi se de dete, isliye kuch apna doodh agle town ki mithai ki dukaanon ko bechte hain aur kuch kam gaayein rakhte hain. Town tak kam doodh pahunchta hai, lines lagti hain aur kuch families ko bilkul nahi milta. Equilibrium se neeche set kiya price usi inaam ko kamzor kar deta hai jo supply ko market tak laata hai.

Chhoti firms par bhaari paperwork. Meenakshi ki kalpana karo, jo do logon ki carpentry workshop kholna chahti hai. Badi company ke paas forms sambhaalne ke liye office hota hai; uske paas ek notebook hai. Shop register karaana, municipality se trade licence lena, tax ke liye sign up karna aur apni machines ke liye bade electricity connection ka approval lena, inmein use mahine aur paise lag sakte hain. Uski jagah ke log kabhi-kabhi haar maan lete hain, ya forms ke agle round se bachne ke liye chhote hi bane rehte hain. Ek firm kholna, use chalaate rehna aur band karna kitna aasaan ya mushkil hai, ise ease of doing business kehte hain. Ab kai governments single-window portals chalaati hain, jahan kai approvals ke liye ek hi jagah apply kiya ja sakta hai.

Invent aur improve karne ki kam wajah. Agar returns cap kar diye jaayein, ya rules baar-baar badlein, to firms ke paas invest karne ki kam wajah hoti hai. Jis private bus operator ke fares saalon se freeze hain, woh saaf aur surakshit buses khareedne ke bajaay purani buses hi chalaata reh sakta hai. Tab passengers ek alag tarah se keemat chukaate hain: dheemi aur kam aaraamdeh yatraon se.

Compare

Intervention ko tolna

Madad kar sakta hai

  • Zaroori cheezein affordable rakhta hai
  • Workers ki pay bachaata hai
  • Monopolies par rok lagaata hai
  • Public goods provide karta hai

Nuksaan kar sakta hai

  • Caps bahut kam hone par shortages
  • Chhoti firms ke liye mehenga paperwork
  • Invest aur innovate karne ki kamzor wajah
  • Hoarding aur black markets
Quick check
3 mein se 1
Ek state cement ka price uske market price se bahut neeche fix kar deta hai. Samay ke saath kaun sa result sabse zyada mumkin hai?
Answer dekho

Answer (B) Cement firms kam banaati hain, aur shortages aur black markets aa jaate hain

Equilibrium se neeche ceiling ka matlab hai quantity demanded quantity supplied se zyada hai, aur kam returns production ko discourage karte hain. Jab prices dabaakar rakhe jaayein to firms ke zyada invest karne (option C) ke chances kam hain.

9.5 Price puzzle ko padhna

Economics tumhe kal ka tamatar ka price nahi batayegi. Woh tumhe kisi bhi price change ki jaanch karne ka ek tareeka deti hai, bilkul waise jaise ek detective clues ke zariye aage badhta hai. Yeh raha ek case, step by step.

Step by step

Case: June mein school bags mehenge kyun hote hain?

Step 1 / 5

Change pakdo

Jo bag March mein ₹600 ka tha, woh June ke pehle hafte mein ₹700 ka hai, ek saath kai dukaanon mein.

1 / 5

Jab bhi koi price tumhe hairaan kare, yahi steps follow karo, aur price tag puzzle nahi rahega. Woh ek clue ban jaata hai ki tumhare aas-paas buyers, sellers aur governments kya kar rahe hain.

Quick check
2 mein se 1
Kai towns mein har April ice cream mehengi ho jaati hai. Case ke steps follow karte hue, sabse mumkin main cause kya hai?
Answer dekho

Answer (B) Garmi ka season shuru hone par demand badhti hai

Garam mausam demand ko right mein shift karta hai, isliye equilibrium price badhta hai. Zyada supply (option A) price ko neeche dhakelti, upar nahi.
Recap

Summary aur key points

  1. Demand yeh hai ki buyers har price par kitna khareedne ke liye taiyaar aur saksham hain; bina purchasing power ki wish demand nahi hai (Section 9.1).
  2. Law of demand ke hisaab se price aur quantity demanded ulti directions mein chalte hain, isliye demand curve neeche jhukta hai (Section 9.1.1).
  3. Market demand har price par har buyer ki quantity jodti hai (Section 9.1.2).
  4. Substitutes aur complements ke prices, income, tastes, population, seasons aur expected prices poore demand curve ko shift karte hain (Section 9.1.3).
  5. Supply yeh hai ki sellers har price par kitna bechne ke liye rakhne ko taiyaar aur saksham hain; law of supply ke hisaab se price aur quantity supplied saath-saath chalte hain (Section 9.2).
  6. Market supply har seller ki quantity jodti hai (Section 9.2.1); yeh technology aur costs, un doosre goods ke prices jo seller bana sakta hai, sellers ki sankhya, aur unki expectations ke saath shift hoti hai (Section 9.2.2).
  7. Equilibrium price par quantity demanded quantity supplied ke barabar hoti hai; usse neeche shortage hoti hai aur usse upar surplus, aur dono price ko wapas dhakelte hain (Section 9.3).
  8. Halaat badalne par real markets naye equilibria ki taraf khisakte rehte hain; dynamic pricing iska ek sign hai (Section 9.3.1).
  9. Governments price ceilings, minimum wages jaise price floors, monopolies par rok aur regulators use karti hain (Section 9.4.1), aur public goods provide karti hain (Section 9.4.2).
  10. Bahut zyada intervention shortages, bhaari paperwork aur innovate karne ki kamzor wajahein la sakta hai (Section 9.4.3).
Practice · 19 questions

Practice questions answers ke saath (NCERT “Sawaal aur activities”)

  1. Long answerMediumNCERT Questions and activities Q1

    Raghav kehta hai, “Jab bhi kisi family ki income badhti hai, woh har cheez zyada khareedti hai.” Kya tum sehmat ho? Wajahon aur examples ke saath uske claim ko support ya challenge karo.

    Solution dikhao

    AnswerSirf aadha sach: zyaadatar goods ki demand income ke saath badhti hai, lekin inferior goods ki demand ghatti hai, aur kuch basic cheezon ki mushkil se badalti hai.

    Zyaadatar goods ke liye Raghav sahi hai. Zyada income ke saath family zyada fruit, behtar kapde aur zyada outings khareedti hai.

    Lekin har cheez ke liye nahi. Income badhne par families aksar saste options se behtar options par switch karti hain, isliye woh saste option ko kam khareedti hain: scooter aane ke baad kam shared-auto rides, naye textbooks afford kar paane par kam second-hand textbooks. Economists inhe inferior goods kehte hain.

    Kuch basic cheezon ki, jaise namak ya maachis, demand income ke saath mushkil se hi badalti hai. Isliye yeh claim har cheez ke liye sach nahi hai.

  2. Short answerMediumNCERT Questions and activities Q2

    Ek shehar apne metro fares bahut badha deta hai, jabki baaki prices same rehte hain. Inmein se har ek ki demand ka kya hoga?

    1. Same routes par bus rides

      Answer dekho

      Answer (A) Badhti hai

      Buses metro ka substitute hain, isliye kuch riders unki taraf switch karte hain.
    2. Metro travel cards aur unke recharges

      Answer dekho

      Answer (B) Ghatti hai

      Cards metro rides ke saath use hote hain (complement): kam rides, kam recharges.
    3. Two-wheelers

      Answer dekho

      Answer (A) Badhti hai

      Kai trips ke liye scooter ya motorbike metro ki jagah le sakta hai, isliye yeh substitute hai.
    4. Metro stations ke andar stalls par bikne wale snacks

      Answer dekho

      Answer (B) Ghatti hai

      Yeh sales stations se guzarne wale logon par depend karti hain; kam riders ka matlab kam buyers.
  3. Short answerMediumNCERT Questions and activities Q3

    Khurja ki ek kumhaarin apne haath se ghumne wale chaak ki jagah electric chaak le aati hai. Utne hi kaam ke ghanton mein ab woh teen guna zyada matke bana sakti hai. Isse inmein se har ek par kya asar padta hai?

    1. Har matka banane ki uski cost

      Solution dikhao

      Ghatti hai. Kaam ke wahi ghante, mitti sambhaalna aur kiraya ab teen guna zyada matke banaate hain, isliye per matka cost gir jaati hai, bijli aur chaak ka kharcha dene ke baad bhi.

    2. Har price par woh kitne matke bechne ko taiyaar hai

      Solution dikhao

      Badhte hain. Kisi bhi diye gaye price par ab har matka use zyada margin deta hai, isliye woh har price par zyada matke offer karti hai: uska supply curve right mein shift hota hai.

    3. Matkon ki market supply, agar town ke zyaadatar kumhaar switch kar lein

      Solution dikhao

      Har price par market supply badhti hai: market supply curve right mein shift hota hai.

    4. Matkon ka price, agar demand same rahe

      Answer dekho

      Answer (B) Girta hai

      Zyada supply aur same demand ke saath purane price par surplus hota hai, isliye price girkar ek naye, kam equilibrium par aata hai jahan zyada matke bikte hain.
  4. Long answerHardNCERT Questions and activities Q4

    February mein kai dukaanein winter jackets ka price aadha kar deti hain. Demand aur supply se samjhao ki dukaan poore price par rakhne ke bajaay aadhe price par bechna kyun pasand karegi. Biki jackets ki sankhya ka kya hota hai, aur kya sale dukaan ka nuksaan hai ya dono taraf ka fayda?

    Solution dikhao

    AnswerDemand gir gayi hai, isliye purana price surplus chhodta hai; price ghataane se stock nikalta hai aur sales badhti hain; dono taraf fayda hota hai.

    February tak sardi khatam ho rahi hoti hai, isliye jackets ki demand girti hai: demand curve left mein shift hota hai. Purane price par dukaanon ke paas surplus bach jaata.

    Bina biki jackets ko store karne mein paisa lagta hai, woh fashion se bahar ho sakti hain aur us cash ko rok leti hain jo dukaan ko summer stock ke liye chahiye. Isliye sellers prices ghataate hain. Kam price buyers ko demand curve ke saath neeche le jaata hai, aur purane price ke mukable zyada jackets bikti hain.

    Buyers ko sasti jackets milti hain. Sellers ko bhi fayda hota hai: woh stock ko cash mein badalte hain, jagah khaali karte hain aur baad ke bade nuksaan se bachte hain. Market ek naye, kam equilibrium price par aa jaata hai.

  5. Quick answerMediumNCERT Questions and activities Q5

    Buwaai ke season mein ek state tractors kiraye par lene ka hourly rent us rent se kaafi neeche fix kar deta hai jis par free market mein kisaan aur tractor owners raazi hote. Sabse zyada kya hone ki ummeed hai?

    Solution dikhao

    Fixed rent equilibrium rent se neeche set kiya gaya price ceiling hai. Us rent par kisaan utne tractor hours chahte hain jitne owners offer karne ko taiyaar nahi, isliye shortage hoti hai: kuch kisaan samay par tractor nahi le paate, aur kuch shayad chupke se extra pay karte hain.

  6. ActivityMediumNCERT Questions and activities Q6

    India mein aise do goods ya services ki list banao jinka price government cap, fix ya support karti hai. Har ek ke liye batao ki rule kise protect karne ke liye hai.

    Solution dikhao
    • Zaroori medicines: NPPA ke set kiye ceiling prices, taaki patients se zyada paise na liye jaayein.
    • Auto-rickshaw aur taxi fares: state transport authorities fix karti hain, taaki jab mol-bhaav mushkil ho to passengers se zyada paise na liye jaayein.
    • Gehun aur dhaan: minimum support prices, taaki government agencies ko bechne wale kisaanon ko kam se kam ek fair price mile.
    • Wages: minimum wages, taaki workers ko bahut kam pay na mile.
    • Bijli: state regulatory commissions ke approve kiye tariffs, kyunki aam taur par ek area ko ek hi company supply karti hai.

    Inmein se koi bhi do, har ek apni wajah ke saath, poora jawab hain.

  7. Long answerMediumNCERT Questions and activities Q7

    Ek dost kehta hai, “Government markets ke liye jitne zyada rules banaaye, utna behtar.” Do examples do jo dikhayein ki yeh hamesha sach kyun nahi hai, aur ek wajah ki rules phir bhi kyun zaroori hain.

    Solution dikhao

    AnswerHaan. Kam price caps shortages aur black markets la sakte hain, aur bhaari paperwork chhoti firms ko shuru hone, badhne ya innovate karne se rok sakta hai.

    Bahut kam set kiye price caps. Agar ek town doodh ko ₹45 per litre par cap kar de jabki market price ₹56 hai, to kisaan kam kamaate hain, kam doodh bhejte hain aur shayad kahin aur bech dete hain. Buyers ko lines aur shortages jhelni padti hain, aur kuch sellers black market ki taraf mud jaate hain.

    Bahut zyada permissions. Jis chhoti workshop ko bahut se licences aur approvals chahiye, woh shuru hone se pehle hi mahine aur paise kho deti hai. Kuch entrepreneurs haar maan lete hain, aur maujooda firms ke paas nayi machines ya ideas mein invest karne ki kam wajah hoti hai.

    Regulation phir bhi matter karta hai: yeh consumers aur workers ko protect karta hai. Asli sawaal balance ka hai: unfairness rokne ke liye kaafi rules, lekin itne zyada nahi ki market ka dum ghut jaaye.

  8. ActivityEasyNCERT Questions and activities Q8

    Survey: pani puri ki market demand. Har per plate price par likho ki tum ek hafte mein kitni plates khareedoge, phir do classmates aur ghar ke ek adult se poocho. Total nikaalne ke liye har row jodo, aur ek demand curve apne liye aur ek total ke liye draw karo.

    Ek hafte mein pani puri ki plates
    Per plate priceMainClassmate 1Classmate 2AdultTotal
    ₹10
    ₹20
    ₹30
    ₹40

    Tumhari entries apne aap save hoti hain.

    Solution dikhao

    Tumhare numbers alag honge, lekin teen cheezein check karo. Price badhne par har insaan ki quantity aam taur par ghatni chahiye. Har row ka total chaaron logon ka jod hai. Total curve tumhare apne curve ke right mein hota hai aur zyada flat hota hai, kyunki woh chaar logon ke responses jodta hai.

    Example: agar ₹20 par tum 3 plates khareedoge aur baaki 2, 4 aur 1, to ₹20 par total 3 + 2 + 4 + 1 = 10 plates hai.

  9. ActivityMediumNCERT Questions and activities Q9

    Field visit: kisi weekly haat ya fruit market mein aadha ghanta bitao aur in sawaalon ke jawab dhoondho.

    1. Ek seller subah kisi phal ka price kaise tay karti hai? Kisi ek se poocho.

      Solution dikhao

      Aam taur par is baat se ki usne wholesaler ko kitna diya, aas-paas ke sellers kitna maang rahe hain aur uske paas kitna stock hai, aur woh din bhar ise adjust karti hai. Koi ek insaan price set nahi karta: yeh bahut se buyers aur sellers ke aapas ke len-den se nikalta hai.

    2. Is mahine kaun sa phal ya sabzi unusually sasti ya mehengi hai, aur kyun?

      Solution dikhao

      Season wali wajahein dhoondho. Apne season ke peak par phal bahut hota hai aur sasta hota hai; jo season se bahar ho, ya baarish ya garmi ki maar jhel chuka ho, woh kam aur mehenga hota hai.

    3. Bahut se sellers band hone ke samay ke paas apne prices kyun ghataate hain?

      Solution dikhao

      Taazi produce agle market day tak nahi tikegi. Shaam tak jis seller ke paas stock bacha hai uske paas surplus hai, aur use phenkne se sasta bechna behtar hai. Der se aane wale buyers ko isse fayda hota hai.

  10. Quick answerEasyNCERT Questions and activities Q10

    Inmein se kaun si jodiyan complementary goods hain? Jo bhi sahi hon, sab chuno.

    Saare sahi options chuno
    Answer dekho
    Answer
    • (A) Fountain pen aur ink
    • (C) Gas stove aur LPG cylinder
    • (E) Cricket bat aur cricket ball
    Pen aur ink, stove aur cylinder, aur bat aur ball saath-saath use hote hain, isliye woh complements hain. Train aur bus tickets, dono fans aur dono tel ek doosre ki jagah le sakte hain, isliye woh substitutes hain.
  11. DiagramMediumNCERT Questions and activities Q11

    Ek town ke pyaaz market ka graph (Fig. 9.14) dhyaan se dekho aur jawab do.

    Fig. 9.14Ek town ka pyaaz market.

    Vertical axis par rupees per kg mein price (₹10 se ₹50) aur horizontal axis par kg mein quantity (300 se 1,200) hai. Neeche jhukta demand curve D aur upar jaata supply curve S, E par, ₹30 aur 600 kg par kaatte hain. ₹40 par ek dashed line D se K (300 kg) par aur S se L (900 kg) par milti hai. ₹20 par ek dashed line S se M (300 kg) par aur D se N (900 kg) par milti hai.

    1. Point E kya dikhata hai? Equilibrium price aur quantity batao.

      Solution dikhao

      E market equilibrium hai, jahan D aur S kaatte hain: equilibrium price ₹30 per kg aur equilibrium quantity 600 kg.

    2. ₹40 par K (D par) aur L (S par) padho. Is price par shortage hai ya surplus, aur kitne kg ki?

      Solution dikhao

      ₹40 par buyers 300 kg (K) chahte hain lekin sellers 900 kg (L) offer karte hain. KL excess supply hai, yaani 900 − 300 = 600 kg ka surplus.

    3. ₹20 par M (S par) aur N (D par) padho. Shortage hai ya surplus, aur kitne kg ki?

      Solution dikhao

      ₹20 par sellers 300 kg (M) offer karte hain lekin buyers 900 kg (N) chahte hain: excess demand, yaani 600 kg ki shortage.

    4. Agar free market mein price kuch samay ₹20 par hi rahe, to aage kya hoga?

      Answer dekho

      Answer (A) Price ₹30 ki taraf badhega

      Shortage mein buyers pyaaz ke liye aapas mein compete karte hain aur sellers prices tab tak badhate hain jab tak price ₹30 tak na pahunch jaaye, jahan shortage khatam ho jaati hai.
  12. NumericalMediumNCERT Questions and activities Q12

    Table ek town ka exercise notebooks ka weekly market dikhati hai. Ek hi graph par demand aur supply curves draw karo aur sawaalon ke jawab do.

    Exercise notebooks ka weekly market
    Price (₹ per notebook)1520253035
    Quantity demanded10080604020
    Quantity supplied0306090120
    1. Equilibrium price kitne ₹ hai?

      ₹
      Answer dekho

      Answer 25 ₹

      ₹25 par 60 notebooks demand hoti hain aur 60 supply hoti hain.
    2. Equilibrium quantity kitni notebooks hai?

      notebooks
      Answer dekho

      Answer 60 notebooks

      ₹25 par dono rows 60 dikhati hain.
    3. Maan lo sellers ko ₹20 charge karne ko kaha jaata hai. Shortage kitni notebooks ki hai, aur price kis taraf dhakela jaayega?

      notebooks
      Answer dekho

      Answer 50 notebooks

      80 demanded − 30 supplied = 50: shortage, isliye price badhne lagta hai.
    4. Maan lo iski jagah price ₹30 par rok kar rakha jaata hai. Surplus kitni notebooks ka hai, aur price kis taraf dhakela jaayega?

      notebooks
      Answer dekho

      Answer 50 notebooks

      90 supplied − 40 demanded = 50: surplus, isliye price girne lagta hai.
  13. Quick answerEasy

    Jab kisi good ka price girta hai aur baaki sab same rehta hai, to quantity demanded…

    Answer dekho

    Answer (C) badhti hai

    Yeh law of demand hai: price aur quantity demanded ulti directions mein chalte hain.
  14. Quick answerEasy

    Kaanooni maximum price ko price kehte hain; kaanooni minimum price ko price kehte hain.

    Answer dekho

    Answer (1) ceiling, (2) floor

    Ceiling ek upper limit hai (jaise medicines par); floor ek lower limit hai (jaise minimum wage).
  15. Quick answerHard

    Assertion (A): Equilibrium price se upar set kiya price ceiling market par koi asar nahi daalta. Reason (R): Equilibrium price par buyers pehle se hi ceiling ki allowed limit se kam pay karte hain.

    Answer dekho

    Answer (A) A aur R dono sach hain, aur R, A ko sahi tarah samjhata hai

    Market price pehle se kaanooni maximum se neeche hai, isliye ceiling kabhi bind nahi karta. R hi wajah hai ki A sach hai.
  16. Short answerHard

    Case padho aur jawab do. Ek pahadi town mein September mein apples aam taur par ₹120 per kg bikte hain. Is saal August mein hailstorm ne bahut se bagichon ko nuksaan pahunchaya. Usi mahine ek lambe festival weekend par aam se kahin zyada tourists aaye.

    1. Hailstorm ki wajah se kaun sa curve shift hota hai, aur kis taraf?

      Answer dekho

      Answer (A) Supply, left ki taraf

      Har price par kam apples offer ho sakte hain.
    2. Tourists ki wajah se kaun sa curve shift hota hai, aur kis taraf?

      Answer dekho

      Answer (B) Demand, right ki taraf

      Har price par zyada buyers apples chahte hain.
    3. Is September apples ke price ka kya hota hai? Samjhao.

      Solution dikhao

      Yeh ₹120 se upar chala jaata hai. Kam supply aur zyada demand dono purane price par shortage banate hain, isliye naya equilibrium price zyada hota hai.

    4. Kya tum pakka keh sakte ho ki biki apples ki quantity ka kya hoga? Kyun ya kyun nahi?

      Solution dikhao

      Nahi. Kam supply biki quantity ko ghataati hai, jabki zyada demand use badhaati hai. Kaun sa effect jeetega, yeh is par depend karta hai ki har shift kitna bada hai.

  17. NumericalMedium

    ₹50 per dozen par chaar households hafte mein 2, 3, 1 aur 4 dozen kele chahte hain. ₹30 per dozen par woh 3, 4, 2 aur 6 dozen chahte hain.

    1. ₹50 par market demand kitne dozen hai?

      dozen
      Answer dekho

      Answer 10 dozen

      2 + 3 + 1 + 4 = 10 dozen.
    2. ₹30 par market demand kitne dozen hai?

      dozen
      Answer dekho

      Answer 15 dozen

      3 + 4 + 2 + 6 = 15 dozen.
    3. Kya yeh market law of demand follow karta hai? Samjhao.

      Solution dikhao

      Haan. Jab price ₹50 se girkar ₹30 hota hai, to market quantity demanded 10 se badhkar 15 dozen ho jaati hai: price aur quantity ulti directions mein chalte hain.

  18. Long answerHard

    “Markets sab kuch nahi kar sakte.” Teen aisi situations samjhao jinmein India mein government market mein dakhal deti hai, aur bahut aage tak dakhal dene ka ek risk batao.

    Solution dikhao
    • Zaroori cheezon ke unfair prices: medicines ke ceiling prices (jaise 2017 ka stent cap) aur workers ke liye minimum wages.
    • Monopoly power: regulatory commissions ke approve kiye electricity tariffs, aur dominant position ka galat use karne wali firms ke khilaaf Competition Commission ka action.
    • Public goods: streetlights, sadkein, naaliyan aur defence, jinke liye private firms free riders ki wajah se aasaani se charge nahi kar sakti.
    • Risk: equilibrium se kaafi neeche set kiya price cap supply ghata sakta hai aur shortages aur black markets la sakta hai; bhaari paperwork bhi chhoti firms ka hausla tod sakta hai.
  19. Short answerEasy

    Ek hi hotel room ya flight seat alag-alag dinon mein bahut alag price ki kyun ho sakti hai? Do wajahein batao.

    Solution dikhao

    Demand chhuttiyon, tyohaaron, events aur date kitni paas hai, inke saath badalti hai, isliye demand zyada hone par prices badhte hain. Aur khaali room ya seat ko store karke baad mein becha nahi ja sakta, isliye demand kam hone par sellers use bharne ke liye prices ghataate hain.

Apna NCERT exercise question dhoondo

Hamare practice questions ncert.ai ke liye likhe gaye hain aur NCERT exercises ko follow karte hain. Apni textbook ke question se match karne wala question dhoondo; uska answer uske saath hai.

Tumhari NCERT textbook meinYahan practice question
NCERT Questions and activities Q1Practice Q1
NCERT Questions and activities Q2Practice Q2
NCERT Questions and activities Q3Practice Q3
NCERT Questions and activities Q4Practice Q4
NCERT Questions and activities Q5Practice Q5
NCERT Questions and activities Q6Practice Q6
NCERT Questions and activities Q7Practice Q7
NCERT Questions and activities Q8Practice Q8
NCERT Questions and activities Q9Practice Q9
NCERT Questions and activities Q10Practice Q10
NCERT Questions and activities Q11Practice Q11
NCERT Questions and activities Q12Practice Q12

Quick check: MCQs

  1. 9.1.2 Market demand3 questions
  2. Future prices ki ummeed4 questions
  3. Future ke baare mein expectations4 questions
  4. 9.3 Market equilibrium4 questions
  5. 9.3.1 Kya real duniya mein market equilibrium hota hai?3 questions
  6. 9.4.2 Public goods ka provision4 questions
  7. 9.4.3 Government intervention ki limitations3 questions
  8. 9.5 Price puzzle ko padhna2 questions
Glossary · 15

Key terms (English + Hindi)

complementary goodsपूरक वस्तुएँpoorak vastuen
Aise goods jo saath-saath use hote hain, jaise scooters aur helmets.Chapter mein pehli baar yahan aaya →
demandमाँगmaang
Kisi good ki woh quantity jo buyers ek diye gaye price par, ek diye gaye samay mein khareedne ke liye taiyaar aur saksham hain.Chapter mein pehli baar yahan aaya →
diminishing marginal utilityह्रासमान सीमांत उपयोगिताhrasmaan seemant upyogita
Kisi good ki har extra unit pichhli unit se kam satisfaction jodti hai.Chapter mein pehli baar yahan aaya →
excess demandअधिमाँगadhimaang
Shortage: current price par quantity demanded quantity supplied se zyada hai.Chapter mein pehli baar yahan aaya →
excess supplyअधिपूर्तिadhipoorti
Surplus: current price par quantity supplied quantity demanded se zyada hai.Chapter mein pehli baar yahan aaya →
law of demandमाँग का नियमmaang ka niyam
Baaki cheezein same rehne par, price badhne par quantity demanded ghatti hai aur price girne par badhti hai.Chapter mein pehli baar yahan aaya →
law of supplyपूर्ति का नियमpoorti ka niyam
Baaki cheezein same rehne par, price badhne par quantity supplied badhti hai aur price girne par ghatti hai.Chapter mein pehli baar yahan aaya →
market equilibriumबाज़ार संतुलनbazaar santulan
Woh price aur quantity jahan quantity demanded quantity supplied ke barabar hoti hai, bina kisi shortage ya surplus ke.Chapter mein pehli baar yahan aaya →
monopolyएकाधिकारekadhikar
Aisa market jismein kisi aise good ka sirf ek seller ho jiska koi kareebi substitute nahi.Chapter mein pehli baar yahan aaya →
price ceilingउच्चतम निर्धारित कीमतuchchatam nirdharit keemat
Government ka fix kiya hua maximum price.Chapter mein pehli baar yahan aaya →
price floorनिम्नतम निर्धारित कीमतnimnatam nirdharit keemat
Government ka fix kiya hua minimum price, jaise minimum wage.Chapter mein pehli baar yahan aaya →
public goodsसार्वजनिक वस्तुएँsarvajanik vastuen
Aise goods jo sabki ek saath seva karte hain aur jinke liye charge karna mushkil hai, jaise streetlights; aam taur par government provide karti hai.Chapter mein pehli baar yahan aaya →
purchasing powerक्रय शक्तिkray shakti
Kisi ek waqt par diye gaye paise se kitna kuch khareeda ja sakta hai.Chapter mein pehli baar yahan aaya →
substitute goodsस्थानापन्न वस्तुएँsthanapann vastuen
Aise goods jo ek doosre ki jagah use ho sakte hain, jaise metro aur bus rides.Chapter mein pehli baar yahan aaya →
supplyपूर्तिpoorti
Kisi good ki woh quantity jo sellers ek diye gaye price par, ek diye gaye samay mein bechne ke liye rakhne ko taiyaar aur saksham hain.Chapter mein pehli baar yahan aaya →

Tum chapter ke end tak pahunch gaye

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