Reducing class size will
A. improve student test scores.
B. decrease student test scores.
C. have no impact on student test scores.
D. have an undetermined impact on test scores.
D. have an undetermined impact on test scores.
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An industry is in long-run competitive equilibrium. The price of a substitute good increases.
A. New firms will enter the market. B. Firms will begin earning economic profit. C. The product price will rise. D. a and b E. all of the above
The best definition of inflation is a(n):
A. decrease in the general price level. B. increase in the price of one important commodity such as food. C. persistent increase in the general level of prices as measured by a price index. D. increase in the purchasing power of the dollar.
Table 1.1 shows the hypothetical trade-off between different combinations of Stealth bombers and B-1 bombers that might be produced in a year with the limited U.S. capacity, ceteris paribus.Table 1.1Production Possibilities for BombersCombinationNumber of B-1 BombersOpportunity cost(Foregone Stealth)Number of Stealth BombersOpportunity cost (Foregone B-1)S0NA10 T1 9 U2 7 V3 4NAThe highest opportunity cost in Table 1.1 for B-1 bombers in terms of Stealth bombers is
A. 0.5 Stealth bomber per B-1 bomber. B. 3 Stealth bombers per B-1 bomber. C. 1 Stealth bomber per B-1 bomber. D. 2 Stealth bombers per B-1 bomber.
Consider an industry that is made up of nine firms each with a market share (percent of sales) as follows:
a. Firm A: 30% b. Firm B: 20% c. Firms C, D, and E: 10% each d. Firms F, G, H, and J: 5% each What is the value of the Herfindahl-Hirschman Index? A) 1,425 B) 1,600 C) 1,700 D) 2,600