A monopolist faces a demand curve given by P = 20 - Q and has total costs given by TC = Q2. By using a bit of calculus, you should be able to determine that the firm's marginal revenue is MR = 20 - 2Q and its marginal cost is MC = 2Q. If the firm's profitmaximizing output level is 5 and its profit maximizing price is $15, what are its monopoly profits at this price and quantity?

One of the major chains of causation in macroeconomic policymaking is government manipulation of ________ in order to affect ________, and thus ultimately ________

A) the money supply, the interest rate, equilibrium income B) the money supply, equilibrium income, the interest rate C) the interest rate, equilibrium income, the money supply D) equilibrium income, the interest rate, the money supply E) equilibrium income, the money supply, the interest rate

Which of the following is an example of depreciation?

a. falling stock prices b. the retirement of several employees c. computers becoming obsolete d. All of the above are examples of depreciation.