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Casares, Miguel; Deidda, Luca G.; Galdon‐Sanchez, Jose E.
Economic inquiry, October 2023, Volume: 61, Issue: 4Journal Article
There are two opposing welfare effects of market power in a model with monopolistic competition, loan defaults and moral hazard. The loss of output produced if firms set a higher mark‐up over marginal costs confronts with some gain due to higher expected profits and the reduction of defaults. Such tradeoff results in an optimal level of market power that decreases with the efficiency of liquidation following default on a loan. If moral hazard is pervasive, credit rationing cuts down the default rates and mitigates the welfare cost of financial frictions.
