D.1/4.
10) which of the following is incorrect?
a.total fixed cost does not change with output in the short run.
b.fixed costs exist only in the short run.
c.total fixed cost must be added to total variable cost to determine total cost.
d.total fixed cost equals total variable cost in the long run.
11) between 1995 and 2007, the u.s. productivity rate:
a.was slightly negative, mainly because of record levels of employment growth.
b.picked up substantially compared to prior years, leading some economists to predict a
long-lasting resurgence of productivity growth.
c.slowed considerably relative to the high rates between 1990 and 1995.
d.reached record low levels for the united states’ economy, leading some economists to
talk of ‘secular stagnation.”
12) Using the balance sheet below and assuming a required reserve ratio of 20%,
answer the following: (a) What is the amount of excess reserves? (b) This bank can
safely expand its loans by what amount? (c) By expanding its loans by this amount in
part (b), its checkable deposits would expand to what amount (if all loans were made to
checking account customers)? (d) If checks clear against the bank equal to the amount
loaned in (b), how much would remain in reserves and in checkable deposits?