If a 1 percent increase in the price of X increases the quantity demanded of Y by 2 percent, then X and Y are
A) complements and the cross elasticity of demand equals 2.
B) substitutes and the cross elasticity of demand equals 1/2.
C) substitutes and the cross elasticity of demand equals 2.
D) complements and the income elasticity of demand equals 2.
E) normal goods and the income elasticity of demand of each equals 2.
C
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Suppose that the sub sandwich business is a competitive, constant-cost industry. An increase in demand for sub sandwiches, will, in the long-run lead to
a. an increase in price and industry output, but no increase in the output of existing firms. b. no increase in price, no increase in the output of existing firms but an increase in industry output because of new firms. c. no increase in price and an increase in industry output as each existing firm produces more. d. no changes in price, output of existing firms or the number of firms in the industry.
Cyclical unemployment:
a. causes unemployment statistics to be understated. b. causes unemployment statistics to be overstated. c. occurs because of recessions. d. occurs because of technological innovations in production. e. only occurs with a zero inflation rate.
Assume that the central bank increases the reserve requirement. If the nation has highly mobile international capital markets and a flexible exchange rate system, what happens to the real risk-free interest rate and net nonreserve-related international borrowing/lending in the context of the Three-Sector-Model?
a. The real risk-free interest rate rises, and net nonreserve-related international borrowing/lending becomes more positive (or less negative). b. There is not enough information to determine what happens to these two macroeconomic variables. c. The real risk-free interest rate and net nonreserve-related international borrowing/lending remain the same. d. The real risk-free interest rate rises, and net nonreserve-related international borrowing/lending becomes more negative (or less positive). e. The real risk-free interest rate falls, and net nonreserve-related international borrowing/lending becomes more negative (or less positive).
If you put $250 into an account with a 4 percent interest rate, how many years would you have to wait to have $432.92?
a. 10 b. 14 c. 17 d. 20