Product differentiation, demand expansion and the welfare effects of cross-ownership

被引:0
作者
Banerjee, Swapnendu [1 ]
Mukherjee, Arijit [2 ,3 ]
Poddar, Sougata [4 ]
机构
[1] Jadavpur Univ, Dept Econ, Kolkata, India
[2] Univ Nottingham, Business Sch, Nottingham, England
[3] City Univ Hong Kong, CESifo, INFER, GRU, Hong Kong, Peoples R China
[4] Univ Iowa, Tippie Coll Business, Dept Econ, Iowa City, IA USA
来源
CANADIAN JOURNAL OF ECONOMICS-REVUE CANADIENNE D ECONOMIQUE | 2025年 / 58卷 / 01期
关键词
RESEARCH-AND-DEVELOPMENT; VERTICAL INTEGRATION; COMPETITION; CHOICE; MARKET; ARRANGEMENTS; IMITATION; BERTRAND; PATENTS; ENTRY;
D O I
10.1111/caje.12759
中图分类号
F [经济];
学科分类号
02 ;
摘要
We show the effects of cross-ownership on product differentiation, consumer surplus and welfare under Cournot and Bertrand competition. Under Cournot competition, cross-ownership increases (decreases) product differentiation if demand expansion following product differentiation is large (small). Under Bertrand competition, cross-ownership may increase or decrease product differentiation regardless of the demand expansion effect of product differentiation. Cross-ownership may increase consumer surplus and welfare under both Cournot and Bertrand competition. Demand expansion following product differentiation and the type of product market competition play important roles for the effects of cross-ownership in an industry with endogenous product differentiation. We also show that Cournot competition may create higher consumer surplus and welfare compared with Bertrand competition. Effets de la propri & eacute;t & eacute; crois & eacute;e sur la diff & eacute;renciation des produits, l'expansion de la demande et le bien-& ecirc;tre Nous d & eacute;montrons les effets de la propri & eacute;t & eacute; crois & eacute;e sur la diff & eacute;renciation des produits, le surplus du consommateur et le bien-& ecirc;tre dans le cadre de la concurrence de Cournot et de Bertrand. Dans le cadre de la concurrence de Cournot, la propri & eacute;t & eacute; crois & eacute;e augmente (diminue) la diff & eacute;renciation des produits si l'expansion de la demande cons & eacute;cutive & agrave; la diff & eacute;renciation des produits est grande (petite). Dans le cadre de la concurrence de Bertrand, la propri & eacute;t & eacute; crois & eacute;e peut augmenter ou diminuer la diff & eacute;renciation des produits sans & eacute;gard & agrave; l'effet d'expansion de la demande caus & eacute;e par la diff & eacute;renciation des produits. La propri & eacute;t & eacute; crois & eacute;e peut augmenter le surplus du consommateur et le bien-& ecirc;tre & agrave; la fois dans la concurrence de Cournot et de Bertrand. L'expansion de la demande cons & eacute;cutive & agrave; la diff & eacute;renciation des produits et le type de concurrence sur les march & eacute;s de produits jouent des r & ocirc;les importants sur les effets de la propri & eacute;t & eacute; crois & eacute;e dans une industrie ayant une diff & eacute;renciation de produits endog & egrave;ne. Nous d & eacute;montrons & eacute;galement que la concurrence de Cournot pourrait engendrer un surplus du consommateur et un bien-& ecirc;tre sup & eacute;rieurs comparativement & agrave; la concurrence de Bertrand.
引用
收藏
页码:193 / 226
页数:34
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