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Florenzano, Monique - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2008

Unlike partial equilibrium analysis which study the equilibrium of a particular market under the clause "ceteris … paribus" that revenues and prices on the other markets stay approximately unaffected, the ambition of a general equilibrium … model is to analyze the simultaneous equilibrium in all markets of a competitive economy. Definition of the abstract model …

Persistent link: https://www.econbiz.de/10005670862

Le concept d'externalité de l'économie externe à "l'interaction directe" : quelques problèmes de définition.

Berta, Nathalie - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2008

Despite its increasing role in the economic theory, the externality concept seems to evade any attempt for a rigorous and consensual definition, and this from Meade's original article to Arrow's work. An externality is soon seen as an unpriced "direct interaction" but some of its a priori...

Persistent link: https://www.econbiz.de/10005510621

A study of the dynamic of influence through differential equations.

Maruani, Emmanuel; Grabisch, Michel; Rusinowska, Agnieszka - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2011

The paper concerns a model of influence in which agents make their decisions on a certain issue. It is assumed that each agent is inclined to make a particular decision, but due to a possible influence of the others, his final decision may be different from his initial inclination. Since in...

Persistent link: https://www.econbiz.de/10009003409

A model of influence based on aggregation functions.

Grabisch, Michel; Rusinowska, Agnieszka - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2011

The paper concerns a dynamic model of influence in which agents have to make a yes-no decision. Each agent has an initial opinion, which he may change during different phases of interaction, due to mutual influence among agents. The influence mechanism is assumed to be stochastic and to follow a...

Persistent link: https://www.econbiz.de/10009359827

Iterating influence between players in a social network.

Grabisch, Michel; Rusinowska, Agnieszka - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2010

We generalize a yes-no model of influence in a social network with a single step of mutual influence to a framework with iterated influence. Each agent makes an acceptance- rejection decision and has an inclination to say either ‘yes’ or ‘no’. Due to influence by others, an agent's...

Persistent link: https://www.econbiz.de/10008727366

Ensuring the boundedness of the core of games with restricted cooperation.

Grabisch, Michel - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2010

The core of a cooperative game on a set of players N is one of the most popular concept of solution. When cooperation is restricted (feasible coalitions form a subcollection F of 2N), the core may become unbounded, which makes it usage questionable in practice. Our proposal is to make the core...

Persistent link: https://www.econbiz.de/10008752540

Ingratiation and Favoritism: Experimental Evidence.

Robin, Stéphane; Rusinowska, Agnieszka; Villeval, … - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2012

We provide experimental evidence of worker's ingratiation by opinion conformity and of managers' discrimination in favor of workers with whom they share similar opinions. In our Baseline, managers can observe both workers' performance at a task and opinions before assigning unequal payoffs. In...

Persistent link: https://www.econbiz.de/10010711846

Research clusters: How public subsidies matter

Cabon-Dhersin, Marie-Laure; Taugourdeau, Emmanuelle - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2015

This paper investigates the factors underlying the emergence of Research Cluster (RC), i.e. cooperation (or coordination of research efforts) through spatial proximity between public and private research teams. A ‘public lab’ and a ‘private lab’ interact in a two-stage game to decide on...

Persistent link: https://www.econbiz.de/10011194447

Ordered Weighted Averaging in Social Networks.

Förster, Manuel; Grabisch, Michel; Rusinowska, Agnieszka - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2012

We study a stochastic model of influence where agents have yes-no inclinations on some issue, and opinions may change due to mutual influence among the agents. Each agent independently aggregates the opinions of the other agents and possibly herself. We study influence processes modelled by...

Persistent link: https://www.econbiz.de/10010584134

Influence functions, followers and command games.

Grabisch, Michel; Rusinowska, Agnieszka - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2008

We study and compare two frameworks : a model of influence, and command games. In the influence model, in which players are to make a certain acceptance/rejection decision, due to influence of other players, the decision of a player may be different from his inclination. We study a relation...

Persistent link: https://www.econbiz.de/10005797758