An economy is currently in a long run equilibrium where SRAS = LRAS = AD. Suppose that there is increased security about jobs and future income, which of the following is the best explanation of the outcome? A. Aggregate demand increases. B. Short-run aggregate supply increases. C. Long-run aggregate supply increases. D. Aggregate demand, short-run and long-run aggregate supply all increase. Given that the economy is currently in a long run equilibrium where SRAS = LRAS = AD there is increased security about jobs and future income the economy would then experience A. a recessionary gap. B. a depressionary gap. C. an inflationary gap. D. stagflation.

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