双边市场、不完全信息与二级价格歧视

经济理论与经济管理

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双边市场、不完全信息与二级价格歧视

董雪兵1,赵传羽2,叶兵2

董雪兵，浙江大学中国西部发展研究院，浙江大学区域协调发展研究中心；赵传羽、叶兵，浙江大学经济学院。

出版日期:2020-01-16 发布日期:2020-01-14
作者简介:本文得到教育部人文社会科学研究基地重大项目（13JJD790030）、浙江省自然科学基金项目（LY18G030010）的资助。

TWOSIDED MARKET, INCOMPLETE INFORMATION AND SECONDDEGREE PRICE DISCRIMINATION

DONG Xuebing1,ZHAO Chuanyu2,YE Bing2

1. China Academy of West Region Development, Center for Research Regional Coordination

Development, Zhejiang University; 2. School of Economics, Zhejiang University

Online:2020-01-16 Published:2020-01-14

摘要/Abstract

摘要：

本文研究了双边市场二级价格歧视问题。本文构建了包括广告商、消费者、垄断平台在内的两阶段博弈模型，研究了在最优与次优情况下平台的定价机制，分析了二级价格歧视对平台利润、社会福利等的影响。研究表明：（1）“顶部无扭曲”或“底部无扭曲”并不严格成立；（2）平台对观众提供的节目质量、广告插播量均可能出现类型逆转的情况；（3）二级价格歧视会增加社会总福利；（4）“会员制”是平台可能的占优定价机制之一。

关键词: 双边市场 , 不完全信息 , 二级价格歧视 , 负外部性

Abstract:

This paper studies the seconddegree price discrimination in twosided market. This paper presents a twostage game including the advertiser, the consumer and the monopolistic platform, in which the platform's firstbest pricing schedule and secondbest pricing schedule are determined. This paper presents the distortion of the platform profit and the social welfare caused by the incomplete information and price discrimination. We find as follows: First, some distortions do not exist. Second, the type of the consumer on the program quality and the advertising level may reverse. Third, the second degree price discrimination will increase the social welfare while decrease the consumer welfare. Fourth, the membership system is one of the platform's dominant strategies.

Key words: twosided market , incomplete information , seconddegree price discrimination , negative intraexternality

董雪兵1,赵传羽2,叶兵2. 双边市场、不完全信息与二级价格歧视[J]. 经济理论与经济管理.

DONG Xuebing1,ZHAO Chuanyu2,YE Bing2. TWOSIDED MARKET, INCOMPLETE INFORMATION AND SECONDDEGREE PRICE DISCRIMINATION[J]. Economic Theory and Business Management.

双边市场、不完全信息与二级价格歧视

TWOSIDED MARKET, INCOMPLETE INFORMATION AND SECONDDEGREE PRICE DISCRIMINATION

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双边市场、不完全信息与二级价格歧视

TWOSIDED MARKET, INCOMPLETE INFORMATION AND SECONDDEGREE PRICE DISCRIMINATION

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