We try to endogenise the choice between Bertrand Equilibrium (BE) and Cournot Equilibrium (CE) in simple duopoly models. The two distinctive features of this paper as compared to the related literature are the following. First, we take the concepts of BE an CE as fundamental and restict players'...

This paper was written while the first author was visiting professor at the Department of Economics , birkbeck College, University of London. We are indebted to Alison Booth and Steve Davies for useful suggestions in reffering us to models used in literature on trade unions. The paper is part of...

The paper analyses a situation in which negotiations take place between a party consisting of a single decision-maker and a party consisting of a group of two decision-makers. The latter, in setting its proposal to the opponent party, may act cooperatively or non-cooperatively within itself. The...