In two-player games with negative (positive) spillovers it is well-known that symmetric agents both overact (underact) at the Nash equilibria. We show that for heterogeneous agents this rule of thumb has to be amended if the game features strategic substitutability.

Luenberger [8] introduced the so-called benefit function that converts preferences into a numerical function that has some cardinal meaning. This measure has a number of remarkable properties and is a powerful tool in analyzing welfare issues ([10], [12], [13], [14]). This paper studies the...

Luenberger [8] introduced the so-called benefit function that converts preferences into a numerical function that has some cardinal meaning. This measure has a number of remarkable properties and is a powerful tool in analyzing welfare issues ([10], [12], [13], [14]). This paper studies the...

After a long period of building, the microelectronics cluster in the Marseilles Metropolitan Area appears to have reached a critical size and investment dynamics capable to ensure its durability. In this paper we aim to enlighten such an assumption by analysing the nature of the process that led...

[fre] Nous déterminons les enjeux économiques posés par tout exercice de calcul économique sur un projet d’infrastructures publiques et montrons les difficultés d’estimation des coûts et des bénéfices. Nous nous penchons aussi sur l’influence du niveau décisionnel (centralisé,...

La communication s'intéresse au renouvellement du tissu productif dans quatre sites d'une région du sud de la France, historiquement structurés par une activité productive. Dans chacun d'eux, la présence de ressources en connaissances et savoir-faire (situées ici dans les professionalités...

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