Computational Model Library

This is an agent-based model of the implementation of the self-enforcing agreement in cooperative teams.

MASTOC - A Multi-Agent System of the Tragedy Of The Commons

Julia Schindler | Published Tue Nov 30 13:39:32 2010 | Last modified Sat Apr 27 20:18:40 2013

MASTOC is a replication of the Tragedy of the Commons by G. Hardin, programmed in NetLogo 4.0.4, based on behavioral game theory and Nash solution.

Variations on the Ethnocentrism Model of Hammond and Axelrod

Fredrik Jansson | Published Sat Nov 10 16:44:28 2012 | Last modified Sat Apr 27 20:18:53 2013

Agents co-operate or defect towards other agents in a prisoner’s dilemma, with strategy choice depending on whether agents share tags or are kin in different social structures.

Agent-Based Model for the Evolution of Ethnocentrism

Max Hartshorn | Published Sat Mar 24 21:34:18 2012 | Last modified Sat Apr 27 20:18:21 2013

This is an implementation of an agent based model for the evolution of ethnocentrism. While based off a model published by Hammond and Axelrod (2006), the code has been modified to allow for a more fine-grained analysis of evolutionary dynamics.

The provided source code is the result of our efforts in replicating Epstein’s Demographic Prisoner’s Dilemma. The simulation model is written in Repast/J 3.1.

A Model of Iterated Ultimatum game

Andrea Scalco | Published Tue Feb 24 16:08:20 2015 | Last modified Mon Mar 9 16:13:23 2015

The simulation generates two kinds of agents, whose proposals are generated accordingly to their selfish or selfless behaviour. Then, agents compete in order to increase their portfolio playing the ultimatum game with a random-stranger matching.

Friendship Games Rev 1.0

David Dixon | Published Fri Oct 7 22:58:33 2011 | Last modified Sat Apr 27 20:18:32 2013

A friendship game is a kind of network game: a game theory model on a network. This is a NetLogo model of an agent-based adaptation of “‘Friendship-based’ Games” by PJ Lamberson. The agents reach an equilibrium that depends on the strategy played and the topology of the network.

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