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)
Option package bundling problem arises if there is an optional good, which is valuable only if a certain (non-optional) good is consumed together. A …rm that sells both types of goods then faces the decision of whether to sell all goods only in a package (pure bundling), or to sell goods both with or without optional goods, leaving the choice of consuming(More)
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