2:Price determination in a competitive market Flashcards
Competitive market
A market in which the large number of buyers and sellers possess good market information and can easily enter or leave the market.
Equilibrium price
The price at which planned demand for a good/service exactly equals planned supply.
Supply
Quantity of a good/service that firms are willing and able to sell at given prices in a given period of time/
Demand
Quantity of a good/service that consumers are willing and able yo buy at given prices in a given period of time
Effective demand
The desire of a good/service backed by an ability to pay
Market demand
Quantity of a good/service that all the consumers in a market are willing and able to buy at different market prices.
Condition of demand
A determinant of demand, other than the good’s own price, that fixes the position of the demand curve
Normal good
Demand increases as income rises and demand decreases as income falls
Inferior good
Demand decreases as income rises and demand increases as income falls
Elasticity
The proportionate responsiveness of a second variable to an initial change in the first variable
Price elasticity of demand
Measures extent to which the demand for a good changes in response to a change in the price of that good
PED=Percentage change in quantity demanded divided by percentage change in price
Income elasticity of demand
Measures extent to which demand for a good changed in response to a change in income
IED=Percentage change in quantity demanded divided by percentage change in income
Cross-elasticity of demand
Measures the extent to which the demand for a good changes in response to a change in the price of another good
CED=Percentage change in quantity demanded divided by percentage change in price of other good
Market supply
Quantity of good/service that all firms plan to sell at given prices in a given period of time
Profit
Difference between total sales revenue and total costs of production