Which of the following statements represents a correct and sequentially accurate economic explanation?
A) The (U.S.) dollar appreciates, net exports rise, total expenditures on goods and services rises, AD rises, and the AD curve shifts rightward.
B) The interest rate falls, investment rises, total expenditures on goods and services rises, AD falls, and the AD curve shifts leftward.
C) Wealth increases, consumption rises, total expenditures on goods and services rises, AD falls, and the AD curve shifts rightward.
D) (Business) expectations about future sales become more positive, investment rises, total expenditures on goods and services rises, AD rises, and the AD curve shifts rightward.
E) Foreign real national income rises, net exports rise, total expenditures on goods and services falls, AD rises, and the AD curve shifts rightward.
D
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What are the different methods to measure industry concentration?
a. Four-firm concentration ratio. b. HHI index. c. Total output d. a and b only
The Federal Reserve System was established by Congress in 1914
a. as a result of a breakthrough in economic theory. b. against significant opposition from the banking sector. c. because of the need for a central bank. d. as the world's first central bank.
MCI announced a price discount plan for small firms. Their stock immediately fell in price. This shows that:
A. AT&T sold out its stock of MCI just after the announcement. B. stockholders are sometimes not rational. C. MCI is probably competing in a Bertrand oligopolistic industry. D. there is increased demand for MCI's stock.
At point A of Figure 3 within Figure 3.1, demand isĀ
A. inelastic. B. perfectly inelastic. C. perfectly elastic. D. elastic.