230 PARTM The Core of Macroeconomic Theory AS (Long run) AS (Short run Price level, AD By using aggregate supply and demand curves and other useful graphs, illustrate the following: a. Those pushing the Fed to act were right, and prices start to rise more rapidly in 2000. The Fed acts belatedly to slow money growth (contract the money supply), driv ing up interest rates and pushing the economy back to potential GDP b. The worldwide glut gets worse, and the result is a falling price level (deflation) in the United States despite expand ing aggregate demand. 5.4 Using AS and AD curves to illustrate, describe the effects of the following events on the price level and on equilib rium GDP in the long run assuming that input prices fully adjust to output prices after some lag: a. An increase occurs in the money supply above potential GDP b. GDP is above potential GDP, and a decrease in govern- ment spending and in the money supply occurs c. Starting with the economy at potential GDP, a war in the Middle East pushes up energy prices temporarily. The Fed expands the money supply to accommodate the inflation.
