हिंदी

Demand Curve

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Topics

  • Introduction
  • Demand Schedule to Demand Curve
  • Application
  • Real-Life Application
  • Key Point Summary
CISCE: Class 12

Introduction

The demand curve is a graph that shows how much of a good a consumer will buy at different prices over a given period, holding all other factors constant. It visually demonstrates the law of demand: as price decreases, the quantity demanded increases, and vice versa.​

CISCE: Class 12

Demand Schedule to Demand Curve

  • demand schedule lists quantities demanded at various prices.
  • By plotting prices (Y-axis) against quantities demanded (X-axis), each price-quantity pair forms a point on the graph.
  • Connecting these points forms the demand curve, which usually slopes downward from left to right, representing the inverse price-quantity relationship.​
CISCE: Class 12

Application

  • Helps businesses forecast sales at different prices.
  • Assists policymakers in understanding how taxes or subsidies might affect consumption.
CISCE: Class 12

Real-Life Application

If only Amar is shopping, his choices at different apple prices create his demand curve. If Amar, Ali, and Alex all shop, the market demand curve sums their choices, showing total apples bought at every price.​

Maharashtra State Board: Class 12
CISCE: Class 12

Key Points: Demand Curve

  • The demand curve represents the law of demand visually.
  • There are two types: individual and market demand curves.
  • The market demand curve is derived by summing individual curves at each price.
  • Movements along the curve are due to price changes; curve shifts are due to outside factors.

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