Refer to the table below. What is the marginal utility of the fourth unit?

Assume that the demand for paper products increases. Then, we expect that the

a. demand for trees will also increase. b. demand for trees will stay the same. c. demand for trees will decrease. d. effect on the demand for trees is uncertain; it depends on the elasticity of the demand for paper.

Discounted tickets for children into events is what type of price discrimination?

A. First-degree price discrimination. B. Second-degree price discrimination. C. Third-degree price discrimination. D. It is not price discrimination.