In the above table, what is the four-firm concentration ratio for the Gadgets industry?

A) 25 percent
B) 40 percent
C) 250 percent
D) 1,000 percent


B

Economics

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Refer to the figure shown, which represents the production possibilities frontiers for Countries A and B. Considering both country's production possibilities frontiers, we know that would both agree to terms of trade of one truck to:

A. eight cars. B. two cars. C. six cars. D. four cars.

Economics

In general, which of the following do NOT tend to increase trade between two countries?

A) linguistic and/or cultural affinity B) historical ties C) larger economies D) mutual membership in preferential trade agreements E) the existence of well controlled borders between countries

Economics

Which of the following is a test of the statistical significance of a particular regression coefficient?

A) t-test B) R2 C) F-test D) Durbin-Watson test

Economics

In long-run equilibrium in a monopolistically competitive industry, a firm will

A) always earn an economic profit. B) produce an output rate at which P = MC. C) produce at a point to the left of the minimum point on its average total cost curve. D) have a perfectly elastic demand curve.

Economics