part L M urgenly needed please pleasee (h) Is the equilibrium given by the impartial spectator (cartel) stable or unstable? Why?(i) Plot the equilibrium given by the impartial spectator (cartel) in the same graph from part (e).(j) Find the equations of the iso-profit curves for each company. Remember that the iso-profit curvesare similar to the iso-utility curves (indifference curves) for consumers. Plot the iso-profit curves of eachcompany in the same graph from part (h).(k) Find the social optimum and the output levels of each company at the social optimum. Rememberthat the Pareto-efficient equilibrium must equalize the firms' marginal rates of substitution (mrs).(I) Compute the marginal rates of substitution of each firm at the Nash equilibrium. Is the Nashequilibrium Pareto optimal? Why?(m) Explain briefly why the Nash equilibrium is not Pareto optimal. Where is the source of the negativeexternalities? ExerciseTwo firms compete for market shares producing similar goods under imperfect competition. The marketdemand curve is p = 24 – y, where y = y, + y2 is the summation of the firms' outputs. Total costsare TC, = 4y1 for the first company and TC2 = 2y2 for the second company. The second company istherefore more productive than the first. Now answer the following questions:(a) Compute the best response functions of each company. Then compute the Nash equilibrium inquantities. The Nash equilibrium in quantities is also called the Cournot equilibrium. Note that in thiscase the payoffs are given by the profit functions rather than by the levels of utility.(b) Plot the best response functions and the Nash equilibrium.(c) Show that the Nash equilibrium is stable.(d) Assume that the first company is a first mover (even though it is less productive) and chooses itsoutput level before the second company. Find the (Stackelberg) equilibrium in quantities.(e) Plot the Stackelberg equilibrium in the same plot from part (b).(f) Is the Stackelberg equilibrium stable or unstable?(g) Assume that an impartial spectator (which could be a cartel) maximizes joint profits. This isequivalent to an impartial spectator that maximizes a social welfare function that aggregates utilityfunctions, where the payoffs in this case are given by the profit functions. Find the equilibrium level ofjoint output, and also the equilibrium levels of output of each company. Is there a conflict of interestbetween the companies within the cartel?

In a strategic game of wins and losses, comprising two players whose only objective is to maximise…

(I) Compute the marginal rates of substitution of each firm at the Nash equilibrium. Is the Nash equilibrium Pareto optimal? Why? (m) Explain briefly why the Nash equilibrium is not Pareto optimal. Where is the source of the negative externalities?

(I) Compute the marginal rates of substitution of each firm at the Nash equilibrium. Is the Nash equilibrium Pareto optimal? Why? (m) Explain briefly why the Nash equilibrium is not Pareto optimal. Where is the source of the negative externalities?

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

part L M urgenly needed please pleasee

(h) Is the equilibrium given by the impartial spectator (cartel) stable or unstable? Why?
(i) Plot the equilibrium given by the impartial spectator (cartel) in the same graph from part (e).
(j) Find the equations of the iso-profit curves for each company. Remember that the iso-profit curves
are similar to the iso-utility curves (indifference curves) for consumers. Plot the iso-profit curves of each
company in the same graph from part (h).
(k) Find the social optimum and the output levels of each company at the social optimum. Remember
that the Pareto-efficient equilibrium must equalize the firms' marginal rates of substitution (mrs).
(I) Compute the marginal rates of substitution of each firm at the Nash equilibrium. Is the Nash
equilibrium Pareto optimal? Why?
(m) Explain briefly why the Nash equilibrium is not Pareto optimal. Where is the source of the negative
externalities?

Exercise
Two firms compete for market shares producing similar goods under imperfect competition. The market
demand curve is p = 24 – y, where y = y, + y2 is the summation of the firms' outputs. Total costs
are TC, = 4y1 for the first company and TC2 = 2y2 for the second company. The second company is
therefore more productive than the first. Now answer the following questions:
(a) Compute the best response functions of each company. Then compute the Nash equilibrium in
quantities. The Nash equilibrium in quantities is also called the Cournot equilibrium. Note that in this
case the payoffs are given by the profit functions rather than by the levels of utility.
(b) Plot the best response functions and the Nash equilibrium.
(c) Show that the Nash equilibrium is stable.
(d) Assume that the first company is a first mover (even though it is less productive) and chooses its
output level before the second company. Find the (Stackelberg) equilibrium in quantities.
(e) Plot the Stackelberg equilibrium in the same plot from part (b).
(f) Is the Stackelberg equilibrium stable or unstable?
(g) Assume that an impartial spectator (which could be a cartel) maximizes joint profits. This is
equivalent to an impartial spectator that maximizes a social welfare function that aggregates utility
functions, where the payoffs in this case are given by the profit functions. Find the equilibrium level of
joint output, and also the equilibrium levels of output of each company. Is there a conflict of interest
between the companies within the cartel?

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