The four-firm concentration ratio
A) indicates the total profitability among the top four firms in an industry.
B) is an indicator of the degree of monopolistic competition.
C) indicates the presence and intensity of an oligopoly market.
D) is used by the government as a basis for anti-trust cases.
Correct Answer:
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Q2: If firms are earning economic profit in
Q3: Mutual interdependence occurs when
A)all firms in an
Q4: The main difference between perfect competition and
Q5: The demand curve,which assumes that competitors will
Q6: The existence of a kinked demand curve
Q7: In general,there is a(n)_ relationship between the
Q8: Which of the following industries is most
Q9: Convenience stores with gas stations tend to
Q10: The Herfindahl-Hirschman (HH)Index is used to
A)measure the
Q11: Describe the transition from short-run to long-run
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