6) a perfectly inelastic demand curve:
a.has a price elasticity coefficient greater than unity.
b.has a price elasticity coefficient of unity throughout.
c.graphs as a line parallel to the vertical axis.
d.graphs as a line parallel to the horizontal axis.
7) Economic profit affects:
A.the allocation of resources, but not the level of resource use.
B.the level of resource use, but not the allocation of resources.
C.the allocation of resources and the level of resource use.
D.neither the allocation of resources nor the level of resource use.
8) which of the following generalizations is not correct?
a.the larger an item is in one’s budget, the greater the price elasticity of demand.
b.the price elasticity of demand is greater for necessities than it is for luxuries.
c.the larger the number of close substitutes available, the greater will be the price
elasticity of demand for a particular product.
d.the price elasticity of demand is greater the longer the time period under
consideration.
9) which of the following statements is correct?
a.if demand increases and supply decreases, equilibrium price will fall.
b.if supply increases and demand decreases, equilibrium price will fall.
c.if demand decreases and supply increases, equilibrium price will rise.
d.if supply declines and demand remains constant, equilibrium price will fall.
10) other things equal, if the prices of a firm’s variable inputs were to fall:
a.one could not predict how unit costs of production would be affected.
b.marginal cost, average variable cost, and average fixed cost would all fall.
c.marginal cost, average variable cost, and average total cost would all fall.