Strategic Bidding By Potential Competitors: Will Monopoly Persist?
研究当存在潜在进入者时，垄断者能否通过竞标维持对新产品的垄断，取决于新产品与现有产品是策略互补还是策略替代。
Who will win the bidding to become the sole producer of a new product: the monopolist of a related product or a new entrant? When there exists potential entry to the monopolist’s existing business, the standard result that monopoly persists (Gilbert and Newbery, ‘Preemptive Patenting and the Persistence of Monopoly’, American Economic Review , 72, pp. 514–526, 1982) may or may not hold, depending crucially on how the new product relates to the existing product of the monopolist. The monopolist tends to win the bidding and to dominate both products if the two products are strategic complements; and the entrant tends to win the bidding if the two products are strategic substitutes.