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...

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...

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 how media and democracy influence government action taken before and after a natural disaster. The key elements in this relationship are the media's role as the provider of information to voters about government action and the quality of democracy that pertains to how relevant...

This paper studies how media and the quality of institutions aff ect government action taken before and after a natural disaster. The key elements in this relationship are the media's role as the provider of information to voters about government action, the quality of democracy that pertains to...

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...

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...

This paper examines the role of dual sourcing (e.g., outside options) in vertical and horizontal relations. In a bilateral monopoly market, if either the upstream or downstream firm has outside options, the other firm could lose from seemingly positive shocks, e.g., market expansion or...

This paper analyses the incentives to adopt cost-reducing technology by firms in a horizontally differentiated industry. In our model there are several suppliers of a new technology. The extent of the cost reduction depends on the quality of the new technology. A firm has to buy the technology...

In this paper we analyse scoring auctions with general non-quasilinear scoring rules. We assume that cost function of each firm is additively separable in quality and type. In sharp contrast to the recent results in the literature we show the following. (i) Equilibria in scoring auctions can be...