The square of the percentage market share of each firm summed over the 50 largest firms in a market is the
A) elasticity of demand value.
B) elasticity of supply value.
C) Herfindahl-Hirschman Index.
D) four-firm concentration ratio.
E) fifty-firm concentration ratio.
C
Economics
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The maximum increase in the money supply possible from a deposit of $D into the banking system where R is the reserve requirement is
A. (1 / R)(D? R). B. R× D. C. (1 / R)(1 ? R)D. D. (1 / R)D.
Economics
Under monopoly we have "unexploited gains from trade" because
A. if the firm were competitive it would have decreased output in the long run. B. the FCC is always trying to regulate it. C. if the firm were competitive it would have not changed output in the long run. D. if the firm were competitive it would have increased output in the long run.
Economics