Which of the following is NOT necessary in order for a monopolist to practice effective price discrimination?
A) The marginal cost of providing the same good to different groups of buyers must be different.
B) The monopolist must be able to segregate its market into different submarkets.
C) The buyers in various markets must face different price elasticities of demand.
D) The monopolist must have a downward sloping demand curve.
A
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Refer to the figure above. What is the maximum profit that the firm can make?
A) $30 B) $60 C) $90 D) $180
International businesses like a fixed exchange-rate system because
A) they like large swings in currency values when devaluation or revaluation occur. B) they profit by speculating on devaluation or revaluation. C) they can plan better if they know what the exchange rate will be. D) fixed exchange rates are economically efficient.