In a 50-firm industry, two of the smallest firms merge. Yet the 4-firm concentration ratio and the 8-firm concentration ratio did not change. All things considered, we can say that the industry has
A) moved closer to pure competition because the number of firms decreased.
B) moved farther away from competition because the number of firms decreased.
C) experienced no change in competition even though the number of firms decreased.
D) to be identified first; otherwise there is no way to tell.
B
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The slope of the line on a line chart measures the rate of change in:
A) only the independent variable. B) only the dependent variable. C) the dependent variable as the independent variable changes. D) the independent variable as the dependent variable changes.
John's utility of wealth curve is shown in the above figure. He currently has total wealth of $20,000. If there is a 50 percent chance that his $10,000 car will be stolen, then his expected wealth equals
A) $0. B) $10,000. C) $15,000. D) $20,000.
If real GDP per capita in the United States is $8,000 in 2016, and if real GDP per capita is $12,000 in 2026, what is the total percent change in the growth rate of GDP per capita between 2016 and 2026?
A) 3.33% B) 5% C) 33% D) 50%
When government intervenes in the production process because external costs exist, it typically attempts to shift the industry's
A) demand curve to the right. B) demand curve to the left. C) supply curve to the right. D) supply curve to the left.