The figure illustrates Sally's budget line and her preferences. At point(s) ________, the marginal rate of substitution is equal to the relative price

One way to overcome the problem of the commons is to

A) assign property rights so that someone owns the resource. B) take away property rights so that no one owns the resource. C) leave the market alone because the market will reach an equilibrium in which the efficient amount of the resource is used. D) None of the above answers is correct.

Refer to Figure 2-3. Sergio Vignetto raises cattle and llamas on his land. A portion of his land is more suitable for raising cattle, and the other portion is better suited for raising llamas

Which of the graphs in Figure 2-3 represent his production possibilities frontier that displays increasing opportunity costs? A) Graph A B) Graph B C) Graph C D) either Graph A or Graph C E) either Graph B or Graph C