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![Page 1: How$to$model$diffusion?$didawiki.cli.di.unipi.it/lib/exe/fetch.php/wma/sna.diffusion2.pdf · Collective Action [Granovetter, '78] Model where everyone sees everyone ... changing](https://reader035.pdfslide.net/reader035/viewer/2022070113/605e7de6cdd7ff3c754bdf75/html5/thumbnails/1.jpg)
How to model diffusion?
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Decision-‐based diffusion models
Collec6ve ac6on [Granove;er 1978]
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The model of collec6ve ac6on
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Dynamics of collec6ve ac6on
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Fragile vs. robust fixed points
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Distribu6on of thresholds (trust)
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Simula6on
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Simula6on
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Early adopters!
Innovators!
Early majority!
Late majority!
Laggards!Broadcast!
Contagion!
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Weaknesses of the CA model
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Decision-‐based diffusion models
Game-‐theore6c models of cascades [Moore 2000]
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Game theore6c models of cascades
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Rules of the game
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Decision rule for node v
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Example
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Stopping cascades
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Stopping cascades
![Disabilità cognitive - DidaWiki [DidaWiki]didawiki.cli.di.unipi.it/lib/exe/fetch.php/informaticaumanistica/... · Accessibilità Caratteristica di un ... •Dislessia –uso di libri](https://img.pdfslide.net/doc/110x75/5c67403d09d3f2bb148b638a/disabilita-cognitive-didawiki-didawiki-accessibilita-caratteristica-di.jpg)
