a. Determine the "rule-of-thumb" price when the monopolist has a marginal cost of $25 and the price elasticity of demand of -3.0.
b. Galaxy has market power in the market for Iowa State University Big XII Championship 2000 T-shirts. If the price of the firm's product =$20, and the total cost curve is TC= 5-15Q, what is the markup for this firm?
c. What if the price elasticity of demand for this firm becomes -5, what will be the firm's markup?
d. Compare a monopsony to a monopoly.