1-Which of the following is correct?
a-Recessions come at regular
intervals and are easy to predict
b-During economic contractions most firms experience rising sales
c-Shot run fluctuations in economic activity happen only in developing countries
b-When real GDP falls, the rate of unemployment rises.
2-Most economists use the aggregate demand and aggregate supply model primarily to analyze
a-productivity and economic growth
b-short-run fluctuations in the economy
c-the effects of macroeconomic policy on the prices of individual goods
d-the long -run effects of international trade policies