袁國芝臺灣大學:經濟學研究所陳亮宇Chen, Liang-YuLiang-YuChen2010-05-052018-06-282010-05-052018-06-282009U0001-2207200917350200http://ntur.lib.ntu.edu.tw//handle/246246/179539本文中我們探討社會網路中均衡時的過度消費行為。我們將兩種特性嫉妒心與不落人後）引入效用函數來陳述消費的外部性。我們也引一由動態過程生成的社會網路來探討在此代表性社會網路中競爭衡的結果與此競爭均衡和社會決策者的解答有多大的差距。鍵字：嫉妒心、不落人後、社會網路。This paper aims to analyze the equilibrium overconsumption in social networks. Weite two characters (jealousy and keeping up with Joneses) into utility function toxpress externality of consumption. We also present a social network which is formedy a dynamic process and find out the equilibrium outcome and the gap betweenompetitive equilibrium and social planner solution in a representative social network.eywords: Jealousy, Keeping up with Joneses, Social Networks.口試委員會審定書..................................i文摘要..........................................iibstract..........................................iii Introduction....................................1 The Model.......................................4 2.1 Preferences.................................4 2.2 Social Networks and Other Technology........5 Some Conditions of General Equilibrium and Overconsumption Effects...........................7 Equilibrium Consumption in a Representative Social Network...........................................14 4.1 The Meeting Process and Network Formation...15 4.2 Approximation of the Representative Social Network...........................................17 4.3 Equilibrium Consumption in Representative Social Networks..........................................22 Social Welfare Maximization Problem in Representative Social Networks...................................33 Conclusion......................................38 Appendix........................................39 References......................................40application/pdf377618 bytesapplication/pdfen-US嫉妒心不落人後社會網路JealousyKeeping up with JonesesSocial Networksthesishttp://ntur.lib.ntu.edu.tw/bitstream/246246/179539/1/ntu-98-R96323030-1.pdf