Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/211162 
Year of Publication: 
2019
Series/Report no.: 
Working Paper No. 003.2019
Publisher: 
Fondazione Eni Enrico Mattei (FEEM), Milano
Abstract: 
In this paper we present a dynamic discrete-time model that allows to investigate the impact of risk-aversion in an oligopoly characterized by a homogeneous non-storable good, sticky prices and uncertainty. Our model nests the classical dynamic oligopoly model with sticky prices by Fershtman and Kamien (Fershtman and Kamien, 1987), which can be viewed as the continuous-time limit of our model with no uncertainty and no risk-aversion. Focusing on the continuous-time limit of the infinite horizon formulation we show that the optimal production strategy and the consequent equilibrium price are, respectively, directly and inversely related to the degrees of uncertainty and risk-aversion. However, the effect of uncertainty and risk-aversion crucially depends on price stickiness since, when prices can adjust instantaneously, the steady state equilibrium in our model with uncertainty and risk aversion collapses to Fershtman and Kamien’s analogue.
Subjects: 
Uncertainty
Risk-aversion
Dynamic Oligopoly
JEL: 
D8
D81
L13
Document Type: 
Working Paper

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