帰国発展研究 2018年~2022年
研究代表者 森田 穂高(一橋大学経済研究所・教授)
 

UPDATES

研究成果
03.28.2022

森田 穂高 (一橋大学)
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2022 

3月4日 CPRC(競争政策研究センター)第5回研究成果発表会, 森田穂高

研究成果
07.28.2021

森田 穂高 (一橋大学)
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2021 

7月16日 RIETI研究会, 経済産業研究所, 森田穂高

研究成果
07.15.2021

Arghya Ghosh (UNSW Sydney) , Hodaka Morita (Hitotsubashi University) , and Susumu Sato (Hitotsubashi University)
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2021 

July 9th Microeconomics Workshop, Keio University, presented by Hodaka Morita

July 6th Microeconomics Workshop, University of Tokyo, presented by Hodaka Morita

セミナー・研究会
06.20.2021

2021/6/15 (火) 17:00~18:30
オンライン

Volker Nocke (University of Mannheim)

"Merger Remedies in Multimarket Oligopoly"
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"A merger will often affect several different product and geographic markets. In many cases the merger is cleared subject to remedies being implemented in some of those markets. This paper develops a framework in which an antitrust authority bargains with merging firms over which remedies to implement. Remedies are modeled as asset divestitures. The antitrust authority maximizes aggregate consumer surplus, subject to the constraint that consumer surplus in each market must exceed some threshold. We first solve for the "minimum divestitures" needed to meet the market-level constraints, and provide conditions under which they are lower in more competitive markets. We then show that the solution to the cross-market bargaining problem is bang-bang. In particular, in a given market it is optimal to implement either the minimum divestitures, or else divest as many assets as possible. We also provide conditions under which these "maximal divestitures" are implemented in more competitive markets."

セミナー・研究会
12.15.2020

2020/12/15(火) 15:30~17:00
オンライン

Hideo Owan (Waseda University)

"Enhancing team productivity through shorter working ours: Evidence from the Great Recession"
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