Platform monopolies:
A. provide an importance service, but present new types of antitrust problems.
B. are bad because they earn monopoly profits.
C. earn low profits because of network externalities and ought to be broken up.
D. are good because they earn monopoly profits.
Answer: A
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The binary variable interaction regression
A) can only be applied when there are two binary variables, but not three or more. B) is the same as testing for differences in means. C) cannot be used with logarithmic regression functions because ln(0) is not defined. D) allows the effect of changing one of the binary independent variables to depend on the value of the other binary variable.
To be binding, a price floor must be set above the equilibrium price
a. True b. False Indicate whether the statement is true or false
Today, reserve requirements are:
A. changed instead of making changes in the discount rate. B. really not a direct tool of monetary policy. C. changed whenever the target federal funds rate is changed. D. set in a way that makes reserve demand highly unpredictable.
An appreciation of the U.S. real exchange rate induces U.S. consumers to buy
a. fewer domestic goods and fewer foreign goods. b. more domestic goods and fewer foreign goods. c. fewer domestic goods and more foreign goods. d. more domestic goods and more foreign goods.