Price down=
Expand of demand
Price up=
Contraction of demand
What does a shift on a demand curve show
An increase in demand (price stays constant)
What are the 4 things that can cause a shift (increase/decrease) in demand
Taste, Related goods, Income, Population, Expectations
What is effective demand
The ability and willingness to purchase a product/ service at a given price
What is the law of demand
If price increases, demand decreases and vice verse (negative/inverse relationship)
What is derived demand
Demand generated for a factor of production given a change in the demand for the good it produces