Cournot Fire Sales
نویسندگان
چکیده
In standardWalrasian macro-finance models, pecuniary externalities such as fire sales lead to overinvestment in illiquid assets or underprovision of liquidity. We investigate whether imperfect competition (Cournot) improves welfare through internalizing the externality and find that this is far from guaranteed. In a standard model of liquidity shocks, when liquidity is sufficiently scarce, Cournot competition leads to even less liquidity than the Walrasian equilibrium. In a standard model of productivity shocks, theCournot equilibriumover-corrects for the fire-sale externality andholds less capital than socially efficient. Implications for welfare and regulation therefore depend highly on the nature of the shocks and the competitiveness of the industry considered. JEL: D43, D62, E44, G18, G21.
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