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Asynchronous Evolution of Pairs - How spatial evolution leads to inequality

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Author Info
Oliver Kirchkamp (Bonn University, Wirtschaftstheorie III, Adenauerallee 24, 53113 Bonn, Germany)

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Abstract

We present a simple model of spatial evolution that avoids several problems that arise with more complex networks of players. We consider a world where pairs of players are matched forever. These players learn from the whole population but they are more likely to learn to strategies used by their partners. Thus, several features of spatial evolution are captured while nonlinearities that would arise with more complex networks are avoided. We can identify characteristics of evolution in networks such as stable cooperation in prisoners' dilemma games and long run exploitation among different strategies. We further discuss evolution of repeated game strategies in this framework comparing synchronous models with asynchronous ones.

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Publisher Info
Paper provided by EconWPA in its series Game Theory and Information with number 9510004.

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Length: 30 pages
Date of creation: 30 Oct 1995
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Handle: RePEc:wpa:wuwpga:9510004

Note: Type of Document - Postscript; prepared on NeXT; to print on PostScript; pages: 30; figures: included. The most current electronic version is available at http://witch.econ3.uni- bonn.de/~oliver/evolPair.shtml
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Related research
Keywords: Evolutionary Game Theory; Networks;

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Find related papers by JEL classification:
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
D62 - Microeconomics - - Welfare Economics - - - Externalities
D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
R12 - Urban, Rural, and Regional Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)
R13 - Urban, Rural, and Regional Economics - - General Regional Economics - - - General Equilibrium and Welfare Economic Analysis of Regional Economies

References listed on IDEAS
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  1. repec:att:wimass:199612r is not listed on IDEAS
  2. Bryan Routledge, . "Co-Evolution and Spatial Interactoin," GSIA Working Papers 1997-46, Carnegie Mellon University, Tepper School of Business. [Downloadable!]
  3. Schelling, Thomas C, 1969. "Models of Segregation," American Economic Review, American Economic Association, vol. 59(2), pages 488-93, May. [Downloadable!] (restricted)
  4. Oliver Kirchkamp, 1994. "Spatial Evolution of Automata in the Prisoners' Dilemma," Game Theory and Information 9403003, EconWPA, revised 18 May 1994. [Downloadable!]
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