(c) Consider an oligopoly. Suppose that one of the firms has the option to move before its opponents (instead of the firms deciding simultaneously). Statement: the firm will never strictly prefer to forgo this option. (d) It is optimal for a monopolist to choose a quantity such that ea < 1.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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part C D

Exercise 1
Are the following statements true, false, or uncertain? Provide a brief explanation.
(a) Some consumers strongly prefer Coke and some strongly prefer Pepsi. Statement: this means that
Coke and Pepsi are not in the same market.
(b) Consider a Cournot duopoly: demand is P(q1, 92)=40-91-92, marginal costs are constant at c = 10
for both firms. Statement: for any player, choosing a quantity q = 12 is a dominated strategy.
(c) Consider an oligopoly. Suppose that one of the firms has the option to move before its opponents
(instead of the firms deciding simultaneously). Statement: the firm will never strictly prefer to forgo
this option.
(d) It is optimal for a monopolist to choose a quantity such that Ed < 1.
(e) The elasticity of demand for petrol is = -2.4. The price of petrol is £5 per gallon and sales are 1
million gallons (per month). Statement: if the price of petrol falls by 1 percent, sales revenue will fall.
Transcribed Image Text:Exercise 1 Are the following statements true, false, or uncertain? Provide a brief explanation. (a) Some consumers strongly prefer Coke and some strongly prefer Pepsi. Statement: this means that Coke and Pepsi are not in the same market. (b) Consider a Cournot duopoly: demand is P(q1, 92)=40-91-92, marginal costs are constant at c = 10 for both firms. Statement: for any player, choosing a quantity q = 12 is a dominated strategy. (c) Consider an oligopoly. Suppose that one of the firms has the option to move before its opponents (instead of the firms deciding simultaneously). Statement: the firm will never strictly prefer to forgo this option. (d) It is optimal for a monopolist to choose a quantity such that Ed < 1. (e) The elasticity of demand for petrol is = -2.4. The price of petrol is £5 per gallon and sales are 1 million gallons (per month). Statement: if the price of petrol falls by 1 percent, sales revenue will fall.
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