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How do social networks influence waste separation?

The model is based on the principal of environmental sociology studying the influence of social factors on the environment. Model works with the empirical-theoretical concept New ecological paradigm (NEP) measuring the values and opinions on the environment. The origin of the project was motivated by the absence of the projects combining the method of empirically calibrated agent-based modeling and sociological grounds, particularly in the Czech context, but also abroad. Based on the environmental module of Czech data ISSP 2010 and research question “How parameters of social network influence the willingness to sort waste?” model was created and analyzed. Relationship between both types of agents (sorting and not sorting waste during the whole simulation) and their neighborhood was found. The higher the number of neighbors, the more agents follow the major behavior - sorting of waste in our case. But homophily blocks this - in case agents establish their neighborhood according their ecological attitude, the rise of major behavior stops with 8 neighbors and with more neighbors is constant. The number of close links amplifies the major behavior, but homophily helps survive the minor behavior.

Model url:

Hi Kalvas, nice to see the application of the consumat approach to waste separation. Perhaps you can post the slides since it was not all clear from your class room presentation. I also poke @wander.jager who might be interested to check this out.

Dear Marco, thank you very much for visiting our post! I am uploading the slides right now. I just have to find how to do it :slight_smile:

With deference,

For the presentation asked by Marco Janssen click here:

Our complete project on GitHub: