Which of the following determines the opportunity set of possible choices for leisure and income?

Is a single-price monopoly efficient?

A) Yes, because it creates a deadweight loss. B) No, because it creates a deadweight loss. C) Yes, because consumers gain and producers lose some of their surpluses. D) Yes, because consumers lose and producers gain some of their surpluses. E) Yes, because it produces the quantity at which MR = MC.

An efficient allocation of resources occurs when we

A) produce the goods and services that people need. B) cannot produce more of a good or service without giving up some other good or service that we value more highly. C) produce the goods and services that people want. D) cannot produce more of a good or service without giving up some other good or service that we need.