Macroeconomic theory that emphasized the theories of Keynes and de-emphasized the classical theory developed as the result of the failure of ?

Macroeconomic theory that emphasized the theories of Keynes and de-emphasized the classical theory developed as the result of the failure of ?

A. economic theory to explain the simultaneous increases in inflation and unemployment during the 1970s
B. The classical model to explain the prolonged existence of high unemployment during the Great Depression
C. fine tuning during the 1960s
D. the economy to grow at a rapid rate during the 1950s

If people have rational expectations a monetary policy contraction that is announced and is credible could ?

If people have rational expectations a monetary policy contraction that is announced and is credible could ?

A. reduce inflation with little or no increase in unemployment
B. Increase inflation but would decrease unemployment by an unusually large amount
C. increase inflation with little or no decrease in unemployment
D. reduce inflation but it would increase unemployment by an unusually large amount

A decrease the Price of foreign oil ?

A decrease the Price of foreign oil ?

A. Shifts the short-run Phillips curve downward and make the unemployment inflation trade-off less favorable
B. Shifts the short run Phillips curve upward and makes the unemployment inflation trade-off more favorable
C. Shifts the short run Phillips curve upward and makes the Unemployment inflation trade off more favorable
D. Shifts the short run Phillips curve downward and makes the unemployment inflation trade off more favorable

According to the Phillips curve, in the short run, if policy makers choose an expansionary policy to lower the rate of unemployment ?

According to the Phillips curve, in the short run, if policy makers choose an expansionary policy to lower the rate of unemployment ?

A. The economy will experience an increase in inflation
B. The economy will experience a decrease in inflation
C. Inflation will be unaffected if price expectations are unchanging
D. None of these answers