Which of the following is a cash transfer received from the government?

A natural barrier to entry is defined as a barrier that arises because of

A) technology that allows one firm to meet the entire market demand at lower average total cost than could two or more firms. B) patents or licenses that exclude others from producing a good or service. C) many firms producing the good and thereby allowing choice for all consumers. D) anticompetitive practices by a firm that keep other firms from producing. E) one firm owning a key natural resource.

Refer to Figure 22-4. The movement from A to B to C illustrates

A) an improvement in technology. B) diminishing returns to labor. C) a decline in capital per worker. D) diminishing returns to capital.