As interest rates increase, the quantity of money demanded:

Two goods are complements when an increase in the price of one good

If demand is price inelastic,

If the price of food falls by 10 percent and the quantity sold increases by 5 percent, then the price elasticity of demand in that range equals

If demand is price inelastic,

Average fixed cost is

Positive economics deals with

The elasticity of supply is calculated by

Signals

Crying is a way to communicate.