Computational Model Library

Diffusion of innovations

Marco Janssen | Published Tue Jan 14 17:11:41 2020

3 simple models to illustrate diffusion of innovations.
The models are discussed in Introduction to Agent-Based Modeling by Marco Janssen. For more information see https://intro2abm.com/

Studies on word-of-mouth identify two behaviors leading to transmission of information between individuals: proactive transmission of information, and information seeking. Individuals who are aware might be curious of it and start seeking for information; they might find around them the expertise held by another individual. Field studies indicate individuals do not adopt an innovation if they don’t hold the corresponding expertise. This model describes this information seeking behavior, and enables the exploration of the dynamics which emerges out of it.

Diffusion of Innovations on Social Networks

Hang Xiong | Published Sat Apr 16 19:29:11 2016

This is model that simulates how multiple kinds of peer effects shape the diffusion of innovations through different types of social relationships.

Adoption as a social marker

Paul Smaldino | Published Mon Oct 17 13:00:14 2016

A model of innovation diffusion in a structured population with two groups who are averse to adopting a produce popular with the outgroup.

Objective is to simulate policy interventions in an integrated demand-supply model. The underlying demand function links both sides. Diffusion proceeds if interactions distribute awareness (Epidemic effect) and rivalry reduces the market price (Probit effect). Endogeneity is given due to the fact that consumer awareness as well as their willingness-to-pay drives supply-side rivalry. Firm´s entry and exit decisions as well as quantity and price settings are driven by Cournot competition.

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