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| タイトル: | Platform Oligopoly with Endogenous Homing: Implications for Mergers and Free Entry |
| 著者: | Adachi, Takanori    https://orcid.org/0000-0001-5046-7993 (unconfirmed)Sato, Susumu Tremblay, Mark J. |
| 著者名の別形: | 安達, 貴教 佐藤, 進 トレンブリィ, マーク |
| 発行日: | Dec-2023 |
| 出版者: | Wiley |
| 誌名: | Journal of Industrial Economics |
| 巻: | 71 |
| 号: | 4 |
| 開始ページ: | 1203 |
| 終了ページ: | 1232 |
| 抄録: | Consumer multi-homing is critical for competition policy regarding digital platforms. To assess the role of multi-homing, we embed endogenous homing into a model of oligopolistic competition between two-sided platforms and apply it to mergers and free entry. We find that the required merger-specific cost reduction is larger if consumers benefit more from multi-homing and that the equilibrium level of platform entry can be insufficient in the presence of consumer multi-homing. These results contrast the belief that multi-homing mitigates the need for stricter policy. We also show that reductions to sellers' benefit from multi-homing reduces entry (is an effective entry barrier). |
| 記述: | デジタルプラットフォーム分析の新しい枠組み --マルチ・ホーミングを考慮した寡占モデル--. 京都大学プレスリリース. 2023-11-21. |
| 著作権等: | This is the peer reviewed version of the following article: [Adachi, T., Sato, S. and Tremblay, M.J. (2023), Platform Oligopoly with Endogenous Homing: Implications for Mergers and Free Entry*. J Ind Econ, 71: 1203-1232.], which has been published in final form at https://doi.org/10.1111/joie.12345. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited. The full-text file will be made open to the public on 09 October 2025 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
| URI: | http://hdl.handle.net/2433/286380 |
| DOI(出版社版): | 10.1111/joie.12345 |
| 関連リンク: | https://www.kyoto-u.ac.jp/ja/research-news/2023-11-21-0 |
| 出現コレクション: | 学術雑誌掲載論文 |
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