An application of wage bargaining to price negotiation with discount factors varying in time

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Working paper
Ahmet Ozkardas and Agnieszka Rusinowska
Issue number: 
Centre d’Economie de la Sorbonne
We consider a non-cooperative price bargaining model between a monopolistic producer and a monopsonic consumer. The innovative element that our model brings to the existing literature on price negotiation concerns the parties’ preferences which are not expressed by constant discount rates, but by sequences of discount factors varying in time. We assume that the sequence of discount rates of a party can be arbitrary, with the only restriction that the infinite series that determines the utility for the given party must be convergent. Under certain parameters, the price negotiation model coincides with wage bargaining with the exogenous always strike decision. We determine the unique subgame perfect equilibrium in this model for no-delay strategies independent of the former history of the game. Then we relax the no-delay assumption and determine the highest equilibrium payoff of the seller and the lowest equilibrium payoff of the buyer for the general case. We show that the no-delay equilibrium strategy profiles support these extreme payoffs.
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