1. Decide whether the following are true, false, or uncertain and thoroughly explain your reasoning. (a) (Review) If AC > MC at the firm’s chosen output level, then the firm is producing on the upward sloping part of its AC curve. (b) When an unregulated market creates positive externalities it tends to produce too little and when it creates negative externalities tends to produce too much. (c) Charging a toll on an uncongested highway increases total surplus because this creates revenue to pay for building and maintaining the highway.
1. Decide whether the following are true, false, or uncertain and thoroughly explain your reasoning. (a) (Review) If AC > MC at the firm’s chosen output level, then the firm is producing on the upward sloping part of its AC curve. (b) When an unregulated market creates positive externalities it tends to produce too little and when it creates negative externalities tends to produce too much. (c) Charging a toll on an uncongested highway increases total surplus because this creates revenue to pay for building and maintaining the highway. (d) Charging a toll on a congested bridge increases total surplus because it reduces the number of drivers and thereby reduces congestion. (e) If a public good cannot be paid for through user fees, then it should not be provided. (f) The costs of National Parks should be covered by charging admission fees, because we shouldn’t have National Parks if the people who use them are not willing to pay enough to cover these costs. (g) You have been offered an investment opportunity that would require you to put up $10,000. The investment would pay $500/year for each of the next 10 years. You would also get your initial $10,000 investment back at the end of 10 years, and you believe there is zero risk of default. The interest rate on 10-year treasury bills is 6%. It is a good idea to invest.
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