If a market is such that, at the market equilibrium quantity, the benefit of the last unit
produced just equals its marginal cost
a. it has earned a positive economic profit
b. it has achieved productive efficiency
c. it has achieved allocative efficiency
d. it has achieved economies of scale
e. there are further trades than can increase producer surplus
Which of the following explains the relationship between price and the quantity
supplied?
a. When expanding output, firms will incur greater total costs.
b. As the price of a commodity falls, producers will find it more profitable to use
higher-priced inputs in their production process.
c. As a result of rising production costs, firms can increase profits by expanding output
only if the price of output increases.
d. To expand output, firms must hire more resources, which are always of poorer
quality.
e. Consumers want more at lower prices.
A shortage of textbooks will cause