Takeshi Ebina

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We extend the well-known spatial competition model (d'Aspremont et al., 1979) to a continuous time model in which two firms compete in each instance. Our focus is on the entry timing decisions of firms and their optimal locations. We demonstrate that the leader has an incentive to locate closer to the centre to delay the follower's entry, leading to a(More)
This paper theoretically analyzes the so-called paradox of choice, introduced by Schwartz (The paradox of choice: why more is less, Harper Perennial, New York, 2004), which posits that having too many choices can make us unhappy. Although one’s possibilities broaden as the number of choices increases, the paradox of choice occurs because among a greater(More)
In this paper, we consider the issue of optimal licensing from the viewpoint of a public patent holder having no production facilities when the product market has a Stackelberg leadership structure. We show that fee licensing is always at least as good as royalty licensing for the public patentee maximizing the social welfare. It is also shown that for(More)
This paper studies the relationship between a case-based decision theory (CBDT) and an ideal point model (IPM). We show that a case-based decision model (CBDM) can be transformed into an IPM under some assumptions. This transformation can allow us to visualize the relationship among data and simplify the calculations of distance between one current datum(More)
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