Of all federal receipts (tax receipts and borrowing) about _____ comes from the payroll tax.

Suppose k = 0.2. With a $200 billion increase in the money supply, the LM curve shifts

A) to the right by $40 billion. B) to the left by $160 billion. C) to the left by $200 billion. D) to the right by $1000 billion.

Which of the following could explain a leftward shift of the labor demand curve?

a. Firms are unable to sell all the output they produce. b. Workers have become less productive. c. Workers have become more productive. d. Both (a) and (b) are correct. e. The demand curve for the product that firms sell shifts to the right.