Holding other things constant, increases in the price level in the US will

Holding other things constant, increases in the price level in the US will
 a. Cause the dollar to gain value
  b. Cause the dollar to lose value
  c. Does not affect the dollar value
  d. None of the above

QUESTION 2

Which of the following is true with regards to a long-run cost function?
 a. The shape of the firm's long-run cost function is important in decisions to expand the scale of operations
  b. The long-run average cost curve is U-shaped
  c. The long-run average cost curve is flatter than the short-run average cost curve.
  d. The curve consists of the lower boundary of all the short-run cost curves
  e. All of the above

QUESTION 3

Vertical relationships can increase profits through
 a. preventing firms from evading regulation
 b. creating a double-markup problem
 c. making the incentives of manufacturers and retailers unaligned
  d. facilitating price discrimination

QUESTION 4

If the Chinese currency devalues compared to the US dollar, then
 a. US producers will benefit; Chinese consumers will benefit
  b. US producers will benefit; Chinese consumers will hurt
  c. US producers will hurt; Chinese consumers will benefit
  d. US producers will hurt; Chinese consumers will hurt

QUESTION 5

Economies of scale exist whenever long-run average costs:
 a. Increase as output is increased
  b. Remain constant as output is increased
  c. Decrease as output is increased
  d. Decline and then rise as output is increased
  e. None of the above