The shape of the demand curve for labor shows how responsive firms are to changes in wages.

Which of the following would be included in the calculation of gross domestic product?

a) government purchase of a new submarine b) Social Security payment to a retired military officer c) the purchase of a home built 10 years ago d) contributions to a charity organization e) a barber cutting the hair of his own children

Suppose we have normally-sloped IS and LM curves intersecting at point A. Then a monetary policy change shifts the LM curve to the right. Directly below point A we find a point on the new LM curve that shows us

A) where the new IS-LM equilibrium occurs. B) how much the interest rate must fall to raise planned expenditures to the new equilibrium income. C) how much the interest rate must fall to by itself raise the demand for money by as much as the money supply has decreased. D) how much income must rise to by itself raise the demand for money by as much as the money supply has increased. E) how much the interest rate must fall to by itself lower the demand for money by as much as the money supply has decreased.