Computational Model Library

Opinion Dynamics Under Intergroup Conflict Escalation

Meysam Alizadeh Alin Coman Michael Lewis Katia Sycara | Published Fri Mar 14 22:12:37 2014 | Last modified Wed Oct 29 18:13:27 2014

We develop an agent-based model to explore the effect of perceived intergroup conflict escalation on the number of extremists. The proposed model builds on the 2D bounded confidence model proposed by Huet et al (2008).

Lewis' Signaling Chains

Giorgio Gosti | Published Wed Jan 14 14:39:14 2015 | Last modified Fri Apr 3 15:01:29 2015

Signaling chains are a special case of Lewis’ signaling games on networks. In a signaling chain, a sender tries to send a single unit of information to a receiver through a chain of players that do not share a common signaling system.

Peer reviewed Hominin ecodynamics v.1

C Michael Barton | Published Sat Oct 1 00:20:15 2011 | Last modified Fri Mar 28 05:07:40 2014

Biobehavioral interactions between two populations under different movement strategies.

Hominin ecodynamics v.2

C Michael Barton | Published Mon Sep 19 19:55:00 2011 | Last modified Fri Mar 28 05:17:32 2014

Simulates biobehavioral interactions between 2 populations of hominins.

City Sandbox

Javier Sandoval | Published Thu Jan 9 07:13:37 2020

This model grows land use patterns that emerge as a result of land-use compatibilities stablished in urban development plans, land topography, and street networks. It contains urban brushes to paint streets and land uses as a way to learn about urban pattern emergence through free experimentation.

00 PSoup V1.22 – Primordial Soup

Garvin Boyle | Published Thu Apr 13 21:03:10 2017

PSoup is an educational program in which evolution is demonstrated, on the desk-top, as you watch. Blind bugs evolve sophisticated heuristic search algorithms to be the best at finding food fast.

00b SimEvo_V5.08 NetLogo

Garvin Boyle | Published Sat Oct 5 08:29:38 2019

In 1985 Dr Michael Palmiter, a high school teacher, first built a very innovative agent-based model called “Simulated Evolution” which he used for teaching the dynamics of evolution. In his model, students can see the visual effects of evolution as it proceeds right in front of their eyes. Using his schema, small linear changes in the agent’s genotype have an exponential effect on the agent’s phenotype. Natural selection therefore happens quickly and effectively. I have used his approach to managing the evolution of competing agents in a variety of models that I have used to study the fundamental dynamics of sustainable economic systems. For example, here is a brief list of some of my models that use “Palmiter Genes”:
- ModEco - Palmiter genes are used to encode negotiation strategies for setting prices;
- PSoup - Palmiter genes are used to control both motion and metabolic evolution;
- TpLab - Palmiter genes are used to study the evolution of belief systems;
- EffLab - Palmiter genes are used to study Jevon’s Paradox, EROI and other things.

Exploring how learning and social-ecological networks influence management choice set and their ability to increase the likelihood of species coexistence (i.e. biodiversity) on a fragmented landscape controlled by different managers.

Patch choice model from Optimal Foraging Theory (Human Behavioral Ecology)

C Michael Barton | Published Sat Nov 22 19:11:16 2008 | Last modified Sat Apr 27 20:18:43 2013

NetLogo model of patch choice model from optimal foraging theory (human behavioral ecology).

Modeling financial networks based on interpersonal trust

Anna Klabunde Michael Roos | Published Wed May 29 14:28:45 2013 | Last modified Thu Nov 28 12:31:40 2013

We build a stylized model of a network of business angel investors and start-up entrepreneurs. Decisions are based on trust as a decision making tool under true uncertainty.

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