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Does self-regulation of advertisement length improve consumer welfare?
Matsubae, Taisuke; Matsushima, Noriaki - 2012
In Japan, TV platforms regulate themselves as to the length of the advertisements they air. Using modified Hotelling models, we investigate whether such self-regulation improves consumer and social welfare or not. When all consumers choose a single TV program (the utility functions of consumers...
Persistent link: https://www.econbiz.de/10010332191
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Horizontal mergers, firm heterogeneity, and R&D investments
Matsushima, Noriaki; Sato, Yasuhiro; Yamamoto, Kazuhiro - 2009
We investigate the incentive and the welfare implications of a merger when heterogeneous oligopolists compete both in process R&D and on the product market. We examine how a merger affects the output, investment, and profits of firms, whether firms have merger incentives, and, if so, whether...
Persistent link: https://www.econbiz.de/10010332309
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Who benefits from resale-below-cost laws?
Matsushima, Noriaki; Miyaoka, Akira - 2013
We investigate the effect of banning resale-below-cost offers. There are two retailers with heterogeneous bargaining positions in relation to a monopolistic manufacturer. Each retailer sells two goods: one procured from the monopolistic manufacturer and the other, from a competitive fringe. In...
Persistent link: https://www.econbiz.de/10010332458
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Data-driven mergers and personalization
Chen, Zhijun; Choe, Chongwoo; Cong, Jiajia; Matsushima, … - 2020
Recent years have seen growing cases of data-driven tech mergers such as Google/Fitbit, inwhich a dominant digital platform acquires a relatively small rm possessing a large volumeof consumer data. The digital platform can consolidate the consumer data with its existingdata set from other...
Persistent link: https://www.econbiz.de/10012544000
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Horizontal Mergers, Firm Heterogeneity, and R&D Investments
Matsushima, Noriaki - 2009
We investigate the incentive and the welfare implications of a merger when heterogeneous oligopolists compete both in process R&D and on the product market. We examine how a merger affects the output, investment, and profits of firms, whether firms have merger incentives, and, if so, whether...
Persistent link: https://www.econbiz.de/10013156465
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Who Benefits from Resale-Below-Cost Laws?
Matsushima, Noriaki; Miyaoka, Akira - 2013
We investigate the effect of banning resale-below-cost offers. There are two retailers with heterogeneous bargaining positions in relation to a monopolistic manufacturer. Each retailer sells two goods: one procured from the monopolistic manufacturer and the other, from a competitive fringe. In...
Persistent link: https://www.econbiz.de/10014157025
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Does Self-Regulation of Advertisement Length Improve Consumer Welfare?
Matsubae, Taisuke; Matsushima, Noriaki - 2016
In Japan, TV platforms regulate themselves as to the length of the advertisements they air. Using modified Hotelling models, we investigate whether such self-regulation improves consumer and social welfare or not. When all consumers choose a single TV program (the utility functions of consumers...
Persistent link: https://www.econbiz.de/10014041759
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Recent competition in the Japanese life insurance industry
Souma, Toshiyuki; Tsutsui, Yoshiro - 2005
-competition and collusion. Estimation results suggest that: 1) not only stock companies, but also mutual companies maximize their own …
Persistent link: https://www.econbiz.de/10010332256
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Collusion and research joint ventures
Miyagiwa, Kaz - 2007
We examine whether cooperation in R&D leads to product market collusion. Suppose that firms engage in a stochastic R … symmetries, thereby facilitating collusion. Sharing an efficient technology also increases industry profit, which contributes to … the collusion stability but also raises social welfare. Interestingly, a welfare improvement is less likely if innovation …
Persistent link: https://www.econbiz.de/10010332459
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Demand uncertainty, product differentiation, and entry timing under spatial competition
Ebina, Takeshi; Matsushima, Noriaki; Nishide, Katsumasa - 2017
We investigate the entry timing and location decisions under market-size uncertainty with Brownian motions in a continuous-time spatial competition duopoly model a la d'Aspremont et al. (1979). Under a sequential equilibrium, the threshold of the follower non-monotonically increases in...
Persistent link: https://www.econbiz.de/10012013675