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Consider an infinitely repeated Bertrand oligopoly game with dis- count factor 6 2 firms. There are no fixed costs. Describe a form of \"trigger" strategies that can facilitate tacit collu sion in pricing. Determine the condition under which such strategies can sustain the monopoly price in each of the following cases: (a) The market demand in each period is D (p) = 1 p. (Calculate the monopoly price and profit explicitly in your answer.) (b) At the end of each period, the market ceases to exist with prob- abilitv w