The natural rate of interest is not

Suppose there's a 50% chance of a stock rising by 20% and a 50% chance of it falling by 20%. What is the expected rate of return on the stock?

A) -20% B) 0% C) 10% D) 20%

An increase in the price level will

a. increase the quantity of aggregate expenditure, shown as an upward movement along the existing aggregate expenditure curve b. decrease the quantity of aggregate expenditure, shown as an upward movement along the existing aggregate expenditure curve c. cause an upward shift in the aggregate expenditure curve d. cause a downward shift in the aggregate expenditure curve e. have no effect on the aggregate expenditure curve