Consider an economy with a private good and public good. The economy consists of two consumers whose utility functions are: u₁(x, y) = — ln x¸ + —⁄lny and u₂(x,y) = ln x₂ + ln y 1 The endowment of consumer 1 is w₁ = 2, and endowment of consumer 2 is w₂ = 3, both in units of private goods. The production of public good uses the linear Technology y = z. Lindahl equilibrium sets different price p, of public good for each consumer. Suppose price for private good is 1 to solve. Find x and y for consumer 1, and
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- Consider an economy with a private good and public good. The economy consists of two consumers whose utility functions are: u1(x1,y)=1/2 ln x1 + 1/2 ln y and u2(x2,y)=1/3 ln x2 + 2/3 ln y (better written equations attached) The endowment of consumer 1 is w1=2, and the endowment of consumer 2 is w2=3, both in units of private goods. The production of public good uses the linear Technology y=z. Find Lindahl equilibrium.Consider an economy with a private good and public good. The economyconsists of two consumers whose utility functions are:u1(x1, y) = 1/2 ln x1 +1/2 ln y and u2(x2, y) = 1/3 ln x2 +2/3 ln y.The endowment of consumer 1 is w1 = 2, and endowment of consumer 2 is w2 = 3, both in units of private goods. The production of public good uses the linear technology y = z. 1. Find Lindahl equilibrium.Consider an economy with n consumers, one privategood and one public good. We think of the private good as “all othergoods,” and measure it in terms of money. There are n individuals inthe economy with utility functions Ui(xi, y) = αi ln y + xi, where y is thepublic good, xi is the private good consumed by individual i = 1, . . . , n,and 0 < α1 < α2 < · · · < αn are parameters. Initial endowment of privategood of each consumer is given by wi. We donote the aggregate endowment 1of the private good by w =Pi wi. The cost of producing the public good is c(y) = cy for some c > 0. Find the optimal provision of the public good as well as how much is provided under voluntary contributions.
- Consider a two-good economy with one private and one public good. There are four consumers in this economy who contribute to public good provision. The price of the private good is $1 and the demand function of the public good for each consumer is as follows: p1 = 20 - 2G, p2 = 30-(5/10)G, p3 = 100-(G/2) and p4 = 60-G where G is the number of units of the public good and p^i is the price of each unit for consumer i in dollars. The cost of providing one extra unit of the public good is (alpha). (a) With 170 < alpha < 210, what is the optimal level of provision of the public good? Show the optimal point on a graph. (b) Is there a possibility that the public good is not supplied at all? Why? (c) If the public good is not supplied at all, what is the size of the deadweight loss due to this market failure? (d) If at least one person contributes, for what values of the public good will be supplied?Consider the model of a rational consumer that cares about consumption of private goods and consumption of broadcast public television (a public good). Suppose that the total level of broadcast public television provided through voluntary contributions is 10 hours of programming. Then the government decides to raise money through a tax and provide 10 hours of programming to the public. What would we predict about crowd-out of voluntary contributions to broadcast public television when government does this? How would the answer change if consumers get warm glow utility from donating to broadcast public television in addition to utility from the public television itself? (Be specific.)Consider agent A with (inverse) demand curve for the public good PA = 60 − 2QA and agent B with inverse demand PB = 90 − 5QB, where prices are measured in £ per unit. The marginal cost of producing the public good is £10 per unit. What is the Pareto efficient level of the public good? Explain. Illustrate in a graph. [Hint: Compute the marginal social benefit of the public good by adding up the demand curves vertically, over the p’s]
- Consider agent A with (inverse) demand curve for the public good and agent B with inverse demand , where prices are measured in £ per unit. The marginal cost of producing the public good is £10 per unit. What is the Pareto efficient level of the public good? Explain. Illustrate in a graph. [Hint: Compute the marginal social benefit of the public good by adding up the demand curves vertically, over the p’s - image attached that has the inverse demand functionSuppose there are three consumers of a public good with the following marginal benefits of consumption related to the quantity of the public good provided: Consumer 1: MB1 = 5 – 2Q Consumer 2: MB2 = 4 – Q Consumer 3: MB3 = 3 – Q Calculate and draw the total marginal benefit function of the public good in a fully labelled diagram. If the marginal cost of producing the public good is MC = 2Q, what is the efficient quantity and how much should each consumer contribute to its provision if it were to provided at the efficient level (assuming the non-rival and non-excludable problems could be resolved)?Because public goods are jointly consumed, which of the following is obtained by summing the private marginal benefits across all individuals?
- Consider an economy consisting of three people – A, B, and C. Person i (where i is A, B, or C) has the utility function where z is the quantity of public good provided and ci is person i’s consumption of private goods. Person i’s income yi is divided between consumption of the private good and his contribution to the financing of the public good. Person i’s contribution is the product of his “tax price” ti and the quantity of the public good, so Person A’s income is 90, person B’s income is 120 and person C’s income is 150. Twenty units of private good must be given up to produce each unit of public good. Find the Lindahl equilibriumSuppose the demand for standard sized bottled water in the US is Qd=120-30.5P where Qd is monthly quantity demanded in millions and P is the price per bottle in dollars and cents. If the marginal private cost (MPC) of producing the bottled water is one dollar, calculate the market equilibrium quantity. Explain what a constant marginal cost implies. Does that mean the total opportunity cost of producing bottled water is unrelated to how many are produced? Let’s assume that the marginal private benefit (MPB) of bottled water equals the marginal social benefit (MSB). Explain what that means. At the equilibrium calculated in part A, what do you know about buyers’ willingness to pay in each transaction?P = 500 - 4Q and the (inverse ) 2. Consider the market for automobiles Let the (inverse ) market demand function be market supply function be P = - 100 + 2Q Plot the demand and supply functions and show the market equilibrium Find the equilibrium output and price in this market and show it on your graph Consumption of automobiles (driving behavior of buyers) generate negative external effects on others in society because emissions associated with driving and any increase in the probability of automobile accidents (let us assume more cars on the road lead to a higher probability of automobile accidents). Assume that the marginal external loss/damage to society from the consumption of a car is worth $60. Using the information given above, construct the marginal social benefit and marginal social cost curves as necessary d. Now calculate the efficient number of cars that should be sold and bought in the market e. Identify the net efficiency loss to society from the market level of cars…