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PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE Facultad de Ciencias Económicas y Administrativas EAA200B-5 Fundamentos de Dirección de Empresas Ayudant́ıa # 2 Raicho Bojilov Valentina Diaz Valenzuela Francisca Ignacia Stange Mart́ınez Second Semester 2020 1 Iterated Elimination of Dominated Strategies Consider the following strategic game: A\B L C R U 10,4 5,3 3,2 M 0,1 4,6 6,0 L 2,1 3,5 2,8 1. Find the Nash equilibrium of this game. 2. Eliminate dominated strategies. What is the Nash equilibrium of the reduced game? 2 Problem of Collective Action: Continuous Setting Two partners, i = 1, 2, work on a common project. Each decides how much e↵ort to put into the project, ei. The total value of the project is given by the formula: q(e1, e2) = e1 + e2 + e1e2 They split the gains equally between themselves. Their individual payo↵ is the di↵erence between the value of the project and the e↵ort that they make, e2i . ui(e1, e2) = 0.5(e1 + e2 + e1e2)� e2i 1. What is the Nash equilibrium? 2. What are levels of e↵ort that maximize the joint (partnership) surplus? This surplus is defined as: (e1 + e2 + e1e2)� e21 � e22 3. Can you propose a scheme of organization and division of the partnership between 1 and 2 that achieves the socially optimal outcome? 1
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