A US unemployment rate of 1.5% creates labor ____ which will cause ____

The aggregate expenditure model predicts a business cycle expansion occurs when

A) the aggregate planned expenditure curve shifts downward. B) aggregate supply increases. C) induced expenditure decreases. D) autonomous expenditure increases. E) potential GDP increases.

Which statement about the total variable cost curve is true?

a. It begins at the origin and increases before decreasing again. b. The total variable cost curve is the same at all levels of output. c. The total variable cost curve is increasing but at a decreasing rate. d. It begins at the origin and is always increasing. e. There is no such thing as a total variable cost curve.