The properties of WS-PS model are modified when trade activity is explicitly modelled. We introduce transaction costs on the output market to capture multiplicity whatever the degree of returns to scale. The price setting curve can become downward-sloping in the unemployment rate-real wage...

This paper explores the rationale of price-taking and price-making behaviours in the context of Walrasian and Cournotian pure exchange economies. Beside the influence of the number of agents, we underline the role of the structure of preferences in the definition and in the working of market...

This paper considers Stackelberg competition in a general equilibrium framework with production. The working of market power and the confi…gurations of strategic interactions are complexi…ed by the presence of an active leader. Two market price mechanisms are here studied: one is associated...

In this note, we consider a generalized T−stage Stackelberg oligopoly. We provide a proof and an interpretation that under the two necessary and sufficient conditions of linear aggregate demand and identical constant marginal costs, followers do not matter for leaders. Leaders act as rational...