Computational Model Library

GRASP world

Gert Hofstede | Published Tue Apr 16 13:34:52 2019

This agent-based model investigates group longevity in a population in a foundational way, using theory on social relations and culture. It is the first application of the GRASP meta-model for social agents, containing elements of Groups, Rituals, Affiliation, Status, and Power. It can be considered an exercise in artificial sociality: a culture-general, content-free base-line trust model from which to engage in more specific studies. Depending on cultural settings for individualism and power distance, as well as settings for xenophobia and for the increase of trust over group life, the GRASP world model generates a variety of patters. Number of groups ranges from one to many, composition from random to segregated, and pattern genesis from rapid to many hundreds of time steps. This makes GRASP world an instrument that plausibly models some basic elements of social structure in different societies.

Adoption of a new regulation

Marco Janssen | Published Sat Jan 26 23:58:54 2019

A group of agents share a resource and agents will become sufficiently motivated to adopt a rule to constraint their freedom if they experience resource scarcity and developed mutual trust relationships.

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.

An agent-based model to study the effects of trust in coalition formation

Luis Nardin | Published Wed Aug 31 00:21:12 2011 | Last modified Sat Apr 27 20:18:23 2013

This model is an agent-based simulation that consists of agents who play the spatial prisioner’s dilemma game with coalition formation. The coalition dynamics are mainly influenced by how much the agents trust their leaders. The main objective is provide a simulation model to enable the analysis of the impacts that the use of trust may cause in coalition formation.

A Computational Model of Workers Protest

Jae-Woo Kim | Published Fri May 13 03:00:08 2011 | Last modified Sat Apr 27 20:18:17 2013

We present an agent-based model of worker protest informed by Epstein (2002). Workers have varying degrees of grievance depending on the difference between their wage and the average of their neighbors. They protest with probabilities proportional to grievance, but are inhibited by the risk of being arrested – which is determined by the ratio of coercive agents to probable rebels in the local area. We explore the effect of similarity perception on the dynamics of collective behavior. If […]

Replicating the Macy & Sato Model: Trust, Cooperation and Market Formation in the U.S. and Japan

Oliver Will | Published Sat Aug 29 18:43:51 2009 | Last modified Sat Apr 27 20:18:43 2013

A replication of the model “Trust, Cooperation and Market Formation in the U.S. and Japan” by Michael W. Macy and Yoshimichi Sato.

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