Computational Model Library

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.

Replication of ECEC model: Environmental Feedback and the Evolution of Cooperation

Pierre Bommel | Published Tue Apr 5 15:09:08 2011 | Last modified Sat Apr 27 20:18:45 2013

The model, presented here, is a re-implementation of the Pepper and Smuts’ model : - Pepper, J.W. and B.B. Smuts. 2000. “The evolution of cooperation in an ecological context: an agent-based model”. Pp. 45-76 in T.A. Kohler and G.J. Gumerman, eds. Dynamics of human and primate societies: agent-based modeling of social and spatial processes. Oxford University Press, Oxford. - Pepper, J.W. and B.B. Smuts. 2002. “Assortment through Environmental Feedback”. American Naturalist, 160: 205-213 […]

An Agent-Based Model of Collective Action

Hai-Hua Hu | Published Tue Aug 20 16:45:15 2013

We provide an agent-based model of collective action, informed by Granovetter (1978) and its replication model by Siegel (2009). We use the model to examine the role of ICTs in collective action under different cultural and political contexts.

A Replication of Rolf Zieglers Kula Ring Simulation

Rhian Stotts | Published Tue Dec 16 06:51:22 2008 | Last modified Sat Apr 27 20:18:19 2013

This model is a simulation of the ceremonial exchange network in Papua New Guinea called the Kula Ring. In the Kula Ring, there are two types of gifts that travel in opposite directions: armshells co

A spatial prisoner’s dilemma model with mobile agents, de-coupled birth-death events, and harsh environments.

Peer reviewed Torsten Hägerstrand’s Spatial Innovation Diffusion Model

Sean Bergin | Published Fri Sep 14 17:48:22 2012 | Last modified Sat Apr 27 20:18:51 2013

This model is a replication of Torsten Hägerstrand’s 1965 model–one of the earliest known calibrated and validated simulations with implicit “agent based” methodology.

Peer reviewed Pumpa irrigation model

Irene Perez Ibarra Marco Janssen | Published Wed Jan 9 22:09:40 2013 | Last modified Sat Apr 27 20:18:43 2013

This is a replication of the Pumpa model that simulates the Pumpa Irrigation System in Nepal (Cifdaloz et al., 2010).

Peer reviewed PPHPC - Predator-Prey for High-Performance Computing

Nuno Fachada | Published Sat Aug 8 16:27:27 2015 | Last modified Wed Nov 25 17:23:09 2015

PPHPC is a conceptual model for studying and evaluating implementation strategies for spatial agent-based models (SABMs). It is a realization of a predator-prey dynamic system, and captures important SABMs characteristics.

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.

code for graphical output

Mert Edali Hakan Yasarcan | Published Wed Nov 5 10:14:40 2014

This is the R code of the mathematical model that includes the decision making formulations for artificial agents. Plus, the code for graphical output is also added to the original code.

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