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- An airport is located next to a banana farm. The airport can fly X planes per day, but the burning fuel will cause air pollution in the amount of Y per day, where Y can be any positive number. The total profits for the airport per day are given by 50X − X2 + (9 − 2Y ) 2 . The banana farm needs clean air to produce bananas, B, so the air pollution caused by the airport makes growing bananas more costly. The banana farm’s profit function is 20B − B2 − (5 + Y ) 2 . What is the socially optimal level of air pollution? (a) 7 (b) 9/2 (c) As much as possible (d) 23/3 (e) 4The total cost for a product-testing firm is C(q)=70 + 20q2 q= number of products tested Price of a product = average cost Each corporation purchases one product test per year from a product-testing firm in the same city. All other inputs are ubiquitous. Suppose five corporations are initially distributed uniformly, with one corporation in each city (A,B,C,D,E). Is the initial distribution a Nash Equilibrium? Demonstrate it is not by finding how much one corporation would pay if they deviate and move to another city? What is the average price of having two tests conducted? (Which is the price that the corporation would pay if they "live" in a city where two tests are conducted) The average price of moving and thus, having two tests is: $_____The marginal cost to an individual of undertaking an activity, such as rugby game, increases as additional hours are committed because: Select one: a. firms charge proportionately more for longer activities. b. each additional hour committed to the activity provides the individual with less marginal benefit. c. the first hour committed comes at the cost of the least valued alternative activity forgone, and each hour thereafter requires forgoing more valued alternative activities. d. allocative efficiency is attained only when marginal cost is high. e. of decreasing opportunity cost.
- Consider Susan who lives in a small town. A charity is planning to establish a public library in her town. Her total marginal benefit from the public library is MB=q(90-.6G½-.3g½), where G is the total number of books in the library, and g is her individual contribution, and q is the quality of the public library. How much would she contribute if others contribute 9,588 books, his perception of quality is q=⅓, and her marginal cost of giving is 10? Now assume that her contribution is tax-exempt and her marginal tax rate is 3%. How much would she contribute if others contribute 9,776 books, his perception of quality is q=⅓, and her marginal cost of giving is 10? Now assume that she realizes that 3% of her contribution goes to fundraising and other overhead costs. Her contribution is still tax-exempt, and her marginal tax rate is 3%. How much would she contribute if others contribute 9,693.25 books, her perception of quality is q=⅓, and her marginal cost is 10?Suppose we have a Hotelling model with N = 150 people who consider the good very valuable at V = $1000 so all consumers will buy from one store or the other, transport costs are t = $25 a mile. We have two competing firms at opposite ends of the road. Firm 2 is located at 0 and firm 2 at 1. Let marginal cost of production be $3. show that: D1= 150(p2 - p1 + $25)/50 Profit1= 3(p1 - 3)(p2 - p1 + 25)Your firm's research department has estimated your total revenues to be and your total costs to be . What level of Q maximizes net benefits? (Note that the marginal functions are MR(Q) = 30,000 - 160Q and MC(Q) = 40Q)
- (a) Assuming that each fishery chooses fi ∈ (0, F), to maximize its payoff function, derive the players’ best response functions and find a Nash equilibrium. (b) Is the equilibrium you found in (a) unique or not? What are equilibrium payoffs? 4 (c) Suppose that a benevolent social planner wants maximize the utility of both fisheries. In other words, the social planner solves the following problem: max w(f1,f2) w(f1, f2) = u1(f1, f2) + u2(f1, f2) =2 ln(f1) + 2 ln(f2) + 2 ln(F − f1 − f2). Find the social planner’s solution. (d) What are the fisheries’ payoffs if the quantities of fish they catch are solutions to the social planner’s problem? What can you say about the Nash equilibrium quantities of fish being caught as compared to the social planner’s solution? (e) If fishery j decides to follow the recommendation of the social planner, how much fish will firm i catch?We have 72 free units to distribute among 100 agents. Their willingness to pay is p: The function d(p) = 100 p gives us the number of agents willing to pay p or more. Find the CEEI solution.What would full marginal-cost pricing of water lead to? Group of answer choices A. more water use and higher water prices. B. less water use and higher water prices C. less water use and lower water prices D. less water use but no change in water prices
- 6. Consider two ice cream sellers competing at a beach that is 1000 metres long. Ice cream prices are fixed by the ice cream company, but companies can choose their locations simultaneously. Customers are located uniformly (spread out evenly on the beach) and do not like walking. The cost of walking every metre is the same (i.e. linear cost). a) Where will the ice cream stands be located in the Nash equilibrium if the locations are chosen simultaneously? b) What are the socially optimal locations, i.e. the best from society’s point of view that minimise transportation cost? Are the locations in the Nash equilibrium different from the socially optimal locations? Explain. c) Suppose there are three ice cream sellers that locate simultaneously. Find the Nash equilibrium is there is one. Else, explain why there is none. (Focus on pure strategy Nash equilibria)5. Individual Problems 18-5 When a famous painting becomes available for sale, it is often known which museum or collector will be the likely winner. Yet, the auctioneer actively woos representatives of other museums that have no chance of winning to attend anyway. Suppose a piece of art has recently become available for sale and will be auctioned off to the highest bidder, with the winner paying an amount equal to the second highest bid. Assume that most collectors know that Simone places a value of $65,000 on the art piece and that she values this art piece more than any other collector. Suppose that if no one else shows up, Simone simply bids $65,0002=$32,500$65,0002=$32,500 and wins the piece of art. The expected price paid by Simone, with no other bidders present, is . Suppose the owner of the artwork manages to recruit another bidder, Yakov, to the auction. Yakov is known to value the art piece at $52,000. The expected price paid by Simone, given the…Sean is a community college student and has been saving his tips from his job waiting tables at a restaurant for months to see Hamilton. He is willing to pay $705 for a ticket. Anca has seen Hamilton five times already, but wants to see it again before heading to Europe for a month. She is willing to pay $1,250 for a ticket. There is one ticket left, and the seller is charging $700. Does Sean or Anca buying the ticket lead to a more economically efficient outcome?