A university long-distance relay road race, the Hakone Ekiden, is widely acknowledged as the most popular New Year's sporting event in Japan. The event is held immediately prior to the university application period in Japan. Using Japanese panel data for 2001-2014, this study examined how the...

This study examined the peer effects of newcomer on the performance of existing members of teams, based on comparing the performances of swimming team members before and after the arrival of a newcomer. The identification strategy was similar to a natural experimental setting. This study found...

This study examined the peer effects of newcomer on the performance of existing members of teams, based on comparing the performances of swimming team members before and after the arrival of a newcomer. The identification strategy was similar to a natural experimental setting. This study found...

A university long-distance relay road race, the Hakone Ekiden, is widely acknowledged as the most popular New Year's sporting event in Japan. The event is held immediately prior to the university application period in Japan. Using Japanese panel data for 2001-2014, this study examined how the...

This paper studies the effects of 'price-matching' policies in the Bertrand oligopoly model. If one or more consumers incur enforcement costs to utilize price-matching clauses, the unique equilibrium outcome is the competitive one.

This paper investigates the decision problem of an incumbent firm confronted by both a weak and a strong entrant in a differentiated market. Suppose that the incumbent can deter entry of the weak firm, but cannot deter entry of the strong firm by itself. Then the incumbent may allow entry of the...

This paper considers an incumbent firm that is faced with a potential entrant in a vertically differentiated market. It demonstrates than an incumbent firm cannot prevent entry through product proliferation because of a commitment problem.

This paper reflects on consequentialism which underlies the traditional normative economics. It asserts that the informational basis of normative economics should be expanded so that the intrinsic value of social choice procedures should be properly taken into account along with the value of...

We provide a model in which upstream producers, whose production cost is quadratic in quantity, sell their products through two distribution channels, a traditional channel and an external retailer. Some producers (called "large" producers) supply to both channels, whereas other producers...