With respect to the labor market participation of the elderly in welfare states, the economic literature focuses on the incentives to the worker in the light of generous early retirement opportunities. The sociological literature on the other hand addresses the problem of low productivity of...

A problem of Parallel Contests is raised and modeled. The equilibria in final situations of parallel contests are analyzed and characterized and the behaviours of contestants with different abilities’ parameters are explained. Given that the values of the prizes in the two contests are...

Three critical cases, involving asymmetric and symmetric cases, in the sequential stages of the n-player repeated auctions are analyzed and compared. These cases might arise in a process of sequential, identical or equivalent auctions, where the auction result may reveal information about the...

Countertrade agreements in international trade refer to a practice in which an exporter agrees to purchase in the future, from the importer, commodities proportional to his original export sale. The paper analyzes why it might be efficient for agents to undertake trade through a reciprocal...