Economics 101: Test 2

For Ford's Economics 101 class.

37 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
Own-price elasticity of demand (Ed)
A measure of the responsiveness of the quantity demanded to changes in price; equal to the absolute value of the percentage change in quantity demanded divided by the percentage change in price
Elastic demand
The price elasticity of demand is greater than one, so the percentage change in quantity exceeds the percentage change in price
Inelastic demand
The price elasticity of demand is less than one, so the percentage change in quantity is less than the percentage change in price
Unit elastic demand
The price elasticity of demand is one, so the percentage change in quantity equals the percentage change in price
Perfectly inelastic demand
The price elasticity of demand is zero
Perfectly elastic demand
The price elasticity of demand is infinite
Total revenue
The money a firm generates from selling its product
Income elasticity of demand (Einc)
Shows how responsive consumers are to a change in income; i.e. how much quantity demanded changes when income changes
Einc = %∆Qd / %∆inc
Cross-prince of demand (Exy)
A measure of the responsiveness of demand to changes in the price of another good;equal to the percentage change in the quantity demanded of one good (X) divided by the percentage change in the price of another good (Y)
Price elasticity of supply (Es)
Show how responsive producers are to a change in price; i.e. how much quantity supplied changes when the price of a product changes
The most important determinant of supply elasticity is TIME
Perfectly inelastic supply
Answer 11
The price elasticity of supply equals zero
Perfectly elastic supply
The price elasticity of supply is equal to infinity
Elasticity measures
%∆Qd/ %∆P

∆Qd/avg Qd / ∆P/avg P
Elastic demand
%∆Qd > %∆P|Ed| > 1
When consumers are very responsive to price changes, the change in quantity demanded is larger in percentage terns than the change in price
Inelastic demand
%∆Qd < %∆P
|Ed| < 1

When consumers are not very responsive to price changes, the change in quantity demanded is smaller in percentage terms than the change in price