Select whether the following statements most closely reflect monetarist, rational expectations, or mainstream views. a. Anticipated changes in aggregate demand affect only the price level; they have no effect on real output. b. Downward wage inflexibility means that declines in aggregate demand can cause long-lasting recession. c. Changes in the money supply M increase PQ; at first only Q rises, because nominal wages are fixed, but once workers adapt their expectations to new realities, P rises and Q returns to its former level. d. Fiscal and monetary policies smooth out the business cycle. e. The Fed should increase the money supply at a fixed annual rate.

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money.msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach