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Dive into the research topics where Kohei Kamaga is active.

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Featured researches published by Kohei Kamaga.


Social Choice and Welfare | 2010

On the leximin and utilitarian overtaking criteria with extended anonymity

Kohei Kamaga; Takashi Kojima

We present an extension of the overtaking criterion, called fixed-step overtaking social welfare relation (SWR), and its leximin counterpart, called fixed-step W-leximin SWR, for the evaluation of infinite utility streams. Our SWRs satisfy Fixed-step Anonymity. First, we characterize them by using the consistency, called Weak Fixed-step Indifference Consistency, which links indifference for infinite utility streams to indifference for their truncated vectors that are taken periodically. Second, we characterize another utilitarian extension, called


Social Choice and Welfare | 2009

Q-anonymous social welfare relations on infinite utility streams ∗

Kohei Kamaga; Takashi Kojima


Economics Bulletin | 2008

Bargaining over Managerial Contracts in Delegation Games: The Sequential Move Case

Yasuhiko Nakamura; Kohei Kamaga

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International journal of business and economics | 2007

The Core and Productivity-Improving Mergers in Mixed Oligopoly

Kohei Kamaga; Yasuhiko Nakamura


Archive | 2007

On the extensions of the infinite-horizon leximin and the overtaking criteria ∗

Kohei Kamaga; Takashi Kojima

-overtaking SWR, by replacing the consistency with Fixed-step Anonymity. The


Archive | 2006

Extensive social choice and the problem of paternalism

Kohei Kamaga


Social Choice and Welfare | 2009

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Kohei Kamaga; Takashi Kojima

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Archive | 2007

Non-dictatorial extensive social choice: a further observation

Kohei Kamaga


Archive | 2007

The Core of Productivity-Improving Mergers in Mixed Oligopoly: A Case of Managerial Delegation

Kohei Kamaga; Yasuhiko Nakamura

-overtaking SWR is a subrelation of the fixed-step overtaking SWR. Meanwhile, the leximin counterpart of the


Archive | 2007

Q-Anonymity and preference continuity

Kohei Kamaga; Takashi Kojima

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