研討日期	2014年9月13日10:30 ~ 13:00
研討地點	台大社會科學院27教室
題目	Weak entrants are welcome
作者	蔡明芳
文獻出處	International Journal of Industrial Organization,2000
報告人	蔡明芳
參加人員	黃鴻、王光正、蔡明芳、張瑞雲、彭正浩、許至乙、吳尚弈、呂雅媛、丁虹仁、王羿傑、呂得成、周冰瑤、施姵全
摘要	This paper investigates the decision problem of an incumbent firm confronted by both a weak and strong entrant in a differentiated market. Suppose that the incumbent can deter entry of the weak firm, but cannot deter entry of the strong firm by itself. Then the incumbent may allow entry of the weak firm and use it to alter the strong firm’s entry decision. The present paper formalizes this idea, and it sheds new light on the fact that domestic firms are sometimes able to block strong foreign firms after trade liberalization. The idea also explains why a dominant firm lets fringe firms be in the market.