Suppose an increase in demand causes the price to increase from $2 to $4 and the quantity to increase from 1,000 to 1,800. Using the midpoint method, the elasticity of supply equals

The Federal Open Market Committee's "balance of risks" is an assessment of whether, in the future, its primary concern will be

A) higher exchange rates or higher unemployment. B) higher inflation or a stronger economy. C) higher inflation or a weaker economy. D) lower inflation or a stronger economy.

If business cycles are caused by changes in aggregate supply, you would expect to see

a. prices and unemployment moving in the same direction. b. price and unemployment moving in opposite directions. c. prices not moving with unemployment. d. unemployment is not included in the Keynesian model.