Which of the Following Thoughts Do the Keynesian and the New

Multiple Choice

Which of the following thoughts do the Keynesian and the new Keynesian economists share?

A) The belief that wages and prices are not flexible in the short run
B) The belief that the aggregate supply curve is always a horizontal line
C) The belief that the government's role in the economy should be minimized
D) The belief that the natural rate of unemployment in an economy is always zero
E) The belief that prices are constant and that changes in aggregate expenditures determine equilibrium real GDP