It is reported in the present paper that 1-min returns on TOPIX have exhibited significant autocorrelation at 5-min intervals since 1997/1998. Special quotes that are issued whenever there is a price jump in excess of a predetermined band seem to be the source of this autocorrelation, because...

Influenza vaccination has been shown to be cost effective in reducing morbidity and mortality and in decreasing work absenteeism and use of health-care resources. The purpose of this study was to identify predictors and beliefs regarding people's vaccination decision against the influenza. It...

The delay effect, that people discount the near future more than the distant future, has not been verified rigorously. An experiment conducted by us in China confirms that, by separating the delay from the interval, the delay effect exists only within a short delay. The results are reliable,...

This study aims at understanding regional growth dynamics in Japan using nonstationary panel data. Since the panel unit root test does not adequately produce a detailed picture of the development of Japanese prefectures, we follow a panel cointegration approach using the PANIC method. We find...

In August, September and October of 2005, the Monthly Surveys of Consumers fielded by the University of Michigan included questions about the happiness of a nationally representative sample of U.S. adults. The date of each interview is known. Looking at the data week by week, reported happiness...

The aims of this study were to identify predictors regarding peoplefs willingness to be vaccinated against influenza and to determine how to improve the inoculation rate using our original large-scale survey in the USA in 2005. The main results are (a) a model of bounded rationality explains...

Most studies have not distinguished delay from intervals, so that whether the declining impatience really holds has been an open question. We conducted an experiment that explicitly distinguishes them, and confirmed the declining impatience. This implies that people make dynamically inconsistent...

This paper investigates whether Japanese people were happy and unhappy with the general election conducted on September 11, 2005, in which the Prime Minister, Koizumi, won a landslide victory. We conducted a large survey just after the election to ask people how happy they were and which party...