研討日期 Date	2023年1月28日上午12:10~ 13:50
研討地點 Venue	國立臺灣大學社會科學院710會議室
主講題目 Title of the Paper	Vertical differentiation with overlapping ownership
作者 Authors of the Paper	Youping Li, Jianhu Zhang, Zipeng Zhou
文獻出處 Journal, vol.(issue), pp	https://doi.org/10.1016/j.econlet.2022.110947
主講人 Speaker	郭文忠教授
參加人員 Participants	黃鴻、林燕淑、高國峯、王光正、彭正浩、郭文忠、蘇家叡、許至乙、Suttiwan Suwannajoi
摘要 Abstract of the Paper	Existing studies on the competitive effects of overlapping ownership usually take the products sold by the firms as given. This paper focuses on the firms’ incentive for product innovation in a vertically differentiated market. We find that overlapping ownership, while reducing the low-quality firm’s incentive to improve product quality, can raise the high-quality firm’s. The degree of vertical differentiation is higher, but consumer and social welfare may increase compared with the case of independent ownership.