In a particular country in 1999, the average worker had to work 20 hours to produce 55 units of output. In that same country in 2009, the average worker needed to work 28 hours to produce 77 units of output. In that country, the productivity of the average worker
a. increased by 2 percent between 1999 and 2009.
b. increased by 5 percent between 1999 and 2009.
c. remained unchanged between 1999 and 2009.
d. decreased by 3 percent between 1999 and 2009.
c
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Assume Claudia's budget constraint is demonstrated by line A in the graph shown. Which of the following would cause Claudia's budget constraint to shift to line C?
A. The price of books dropped.
B. The price of movie tickets dropped.
C. Claudia's preferences for these two goods decreased.
D. Claudia’s income decreased.
In the long run, entry ensures that the typical monopolistically competitive firm will
a. produce at minimum efficient scale b. earn an economic profit c. earn a normal profit d. price its output at marginal cost e. standardize its product
Price change causes movement along supply curve, not shift in curve
a. true b. false
Which of the following are part of a commercial bank's reserves?
I. cash in the bank's vaults II. loans III. cash in checking accounts A) I only B) I and II C) I and III D) I, II and III