The short-run market supply curve is
A) the sum of the quantities supplied by all the firms.
B) undefined because the number of firms is constant in the short run.
C) vertical at the total level of output being produced by all firms.
D) horizontal at the current market price.
A
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A stock mutual fund's primary advantage is to allow
A) investors to diversify away systematic risk. B) investors to diversify away all risk. C) investors to diversify away idiosyncratic risk. D) the rich to avoid taxes.
Suppose Cathy and Lewis work in a bakery making pies and cakes. Suppose it takes Cathy 1.5 hours to make a pie and 1 hour to make a cake, and suppose it takes Lewis 2 hours to make a pie and 1.5 hours to make a cake. Which of the following statements is correct?
A. Cathy has a comparative and absolute advantage in pies. B. Cathy has a comparative advantage in pies, and Lewis has an absolute advantage in pies. C. Lewis has a comparative and absolute advantage in pies. D. Lewis has a comparative advantage in pies, and Cathy has an absolute advantage in pies.