Séminaire GREDEG - Nariaki Nishino (Univ. of Tokyo)

"A Game-Theoretic Framework for Modelling Circular Economy and Circularity Mechanism"
Quand ? Le 25-10-2018,
de 14:00 à 15:30
Où ? Salle Picasso - GREDEG
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Séminaire GREDEG

Nariaki Nishino - University of Tokyo, Japan


Abstract : Our study proposes a framework for modelling Circular Economy (CE) with game theory and presents theoretical analysis on its mechanism based on the framework. In general, there exist many studies conducted from a material efficiency point of view.  However, what CE is feasible or economical is a different problem. Circularity shall be realised by a stable incentive structure. To this end, we adopt game theoretic approach in order to ascertain economic mechanisms that realise circularity. Constructing a simple model within the framework, which are constituted by a parts supplier, a product manufacturer, a remanufacturer, a service provider, and end users, we present Nash equilibrium analysis with numerical simulation. It is demonstrated how cost structures affect the circularity.