Which of the following would be considered a variable input in the long run?
a. The size of a firm's plant

The real interest rate ________ inflation ________

A) is unaffected in the long run by; because of the classical dichotomy B) moves one for one with expected; in the long run C) always increases with; but because of the Fisher effect lower expected inflation ensues D) all of the above E) none of the above

The labor supply curve is generally considered to be upward-sloping because the opportunity cost of leisure:

A. increases as wages get higher. B. has nothing to do with wages. C. decreases as wages get higher. D. remains unchanged as wages get higher.