Given the linear production function Q = 10K + 5L, if Q = 10,000 and K = 500, how much labor is utilized?

For an open economy, the equation Y = C + I + G + NX is an identity. If we define national saving, S, as the total income in the economy that is left after paying for consumption and government purchases, then for an open economy, it is true that

a. S = I. b. S = 0. c. I = S + NX. d. S = I + NX.

When the supply of money rises, interest rates _____.

Fill in the blank(s) with the appropriate word(s).