| 来源类型 | Discussion paper |
| 规范类型 | 论文 |
| 来源ID | DP12905 |
| DP12905 An Aggregative Games Approach to Merger Analysis in Multiproduct-Firm Oligopoly | |
| Volker Nocke; Nicolas Schutz | |
| 发表日期 | 2018-05-01 |
| 出版年 | 2018 |
| 语种 | 英语 |
| 摘要 | Using an aggregative games approach, we analyze horizontal mergers in a model of multiproduct-firm price competition with nested CES or nested logit demands. We show that the Herfindahl index provides an adequate measure of the oligopoly distortions to consumer surplus and aggregate surplus, and that the induced change in the naively-computed Herfindahl index is a good approximation for the market power effect of a merger. We also provide conditions under which a merger raises consumer surplus, and conditions under which a myopic, consumer-surplus-based merger approval policy is dynamically optimal. Finally, we study the aggregate surplus and external effects of a merger. |
| 主题 | Industrial Organization |
| 关键词 | Multiproduct firms Aggregative game Oligopoly pricing market power Horizontal merger Herfindahl index |
| URL | https://cepr.org/publications/dp12905-0 |
| 来源智库 | Centre for Economic Policy Research (United Kingdom) |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/541716 |
| 推荐引用方式 GB/T 7714 | Volker Nocke,Nicolas Schutz. DP12905 An Aggregative Games Approach to Merger Analysis in Multiproduct-Firm Oligopoly. 2018. |
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