What purposes do barriers to entry created by the government serve? What are other barriers to entry in the pharmaceutical industry? Should drug patents be extended to 20 years after FDA approval? Explain what would be the costs and benefits from this extension.

Suppose a ceiling fan manufacturer has the total cost function c(x) = 48x + 1485 and the total revenue function r(x) = 75x. (a) what is the equation of the profit function p(x) for this commodity? p(x) = (b) what is the profit on 35 units? p(35) = interpret your result. the total costs are less than the revenue. the total costs are more than the revenue. the total costs are exactly the same as the revenue. (c) how many fans must be sold to avoid losing money? fans

Wilson center is a private not-for-profit voluntary health and welfare entity. during 2017, it received unrestricted pledges of $638,000, 65 percent of which were payable in 2017, with the remainder payable in 2018 (for use in 2018). officials estimate that 14 percent of all pledges will be uncollectible. a. how much should wilson center report as contribution revenue for 2017? b. in addition, a local social worker, earning $20 per hour working for the state government, contributed 600 hours of time to wilson center at no charge. without these donated services, the organization would have hired an additional staff person. how should wilson center record the contributed service?

Best burger is a major fast food chain. its managers are motivated to grow the firm in order to increase their market power and change the industry structure in their favor. which of the following strategies is most associated with their motive for growth? a. employing celebrity spokespeople b. implementing automated burger-making machinery c. purchasing competitors d. increasing executive salaries