In Japan's hometown tax donation system, people can donate to municipalities where they are not resident and in return receive reciprocal gifts from the local governments of those municipalities. A large part of the donated amount can be deducted from their income and residence taxes. This study...

This paper uses cross-country data to examine the long-term effect of trade openness on the gender gaps in wages, education, political empowerment and health. Key findings are: trade openness since 1970 reduced the gender gaps in wages and educational attainment as of 2011 but did not influence...

Local governors who hold office for longer periods are thought to be more likely to collude with various groups to increase their own benefit through long-term interaction. There is no term limit for local governors in Japan, seemingly causing such collusive behavior. However, since 1987, local...

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,...