In a multiplayer game where there are two equally-enjoyable choices of what to do, and everyone wants to do what everyone else is doing, there will be three Nash equilibria

The natural unemployment rate occurs

A) at the full employment level of unemployment. B) when the structural unemployment rate equals zero. C) when the frictional unemployment rate equals zero. D) when the sum of frictional and structural unemployment equals zero. E) when the unemployment rate equals zero.

In the Keynesian cross diagram, a decline in autonomous consumer expenditure causes the aggregate demand function to shift ________, the equilibrium level of aggregate output to fall, and the IS curve to shift to the ________,

everything else held constant. A) up; left B) up; right C) down; left D) down; right