Micro : Competitive Market Flashcards
Market definition
A place where buyers and sellers come together to determine prices
Movement along the demand/supply curve is caused by
Changes in price
Demand definition
The quantity of goods or service that consumers are willing and able to buy at a given price and time
Substitute goods definition
Goods which are alternative to each other (beef and lamb) More substitutes a good has makes it more elastic
Complementary goods definition
Goods that are often used together causing then to be in joint demand
Derived demand definition
Demand for a good which is a factor of production in making another good or service
Composite demand
When a good or service has more than one use (Wheat, used for bread and biofuels )
Price elasticity of demand definition
How the quantity demanded of a good responds to a change in price
Price elasticity of demand formula
Percentage change in quantity demanded
——————————————-
Percentage change in price
PED value is usually
Negative as demand falls as price increases
PED greater than one means the demand for the good is
Elastic as change in price leads to greater change in quantity demanded
PED less than one means the demand for the good is
Inelastic as change in price will lead to a small change in quantity demanded
Income elasticity of demand formula
Percentage change in quantity demanded
———————————————
Percentage change in income
YED definition
the responsiveness of demand for a good to a change in the income of consumers.
XED definition
How the quantity demanded of a good responds to the change in price of another good
Cross elasticity of demand formula
Percentage change in quantity demanded of good A
——————————————-
Percentage change in price of good B
Factors affecting PED
Substitues
Type of good/service
Percentage of income spent
Time
Demand for essential items are price
Inelastc
Demand for non-essential items are price
Elastic
Normal good definition
As income rises demand increases (Goods that have a positive YED)