What is the relationship between aggregate planned expenditure and real GDP at equilibrium expenditure?

A Keynesian economist believes that

A) if the economy was left alone, it would rarely operate at full employment. B) the economy is self-regulating and always at full employment. C) the economy is self-regulating and will normally, though not always, operate at full employment if monetary policy is not erratic. D) the economy is self-regulating and will normally, though not always, operate at full employment if fiscal policy is not erratic.

A 10% decrease in real income usually leads to ________ in money demand

A) an increase B) no change C) a decrease of less than 10% D) a decrease of 10%