Moral Hazard, Mergers, and Market Power
نویسندگان
چکیده
Most analysis of market power assumes that managers are perfect agents for shareholders. This paper relaxes that assumption. When managers of a multi-product firm exert unobservable effort to improve product quality, price coordination incentives tradeoff with effort incentives. This makes some intra-firm price competition optimal, explaining why many multi-product firms allow for competition between divisions. When there are effort spillovers, the optimal amount of price competition can be as great as when the products are under separate ownership. Even with some profit-sharing, intra-firm price competition can reduce quality-adjusted price, which has important implications for antitrust policy.
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