Refer to Figure 24-2. Ceteris paribus, a decrease in the labor force would be represented by a movement from

A Pigouvian subsidy leads to a socially efficient outcome by ________

A) raising individuals' marginal benefit from consumption B) lowering the marginal private cost of production C) raising the marginal external benefit from consumption D) lowering the marginal external cost of production

In the above figure, Sheryl's monthly budget line for movies and plays shifted, as shown. The shift in the budget line is parallel, so the shift might be because

A) the price of a movie fell and nothing else changed. B) the price of a play fell and nothing else changed. C) Sheryl's income decreased and nothing else changed. D) Sheryl's income increased and nothing else changed.