We measure differences between altruism toward a family member and toward an unknown foreigner using hypothetical questions in internet surveys across five countries: Germany, the US, Singapore, South Korea, and Japan. Our analysis shows that people in all five countries exhibit greater...

Promoting vaccination is a crucial strategy to end the COVID-19 pandemic; however, individual autonomy should be respected at the same time. This study aimed to discover behavioral economics nudges that can reinforce people’s intention to receive the COVID-19 vaccine without impeding their...

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...

This study uses a Japanese nationwide sample and experimentally compares rebate and matching, both of which are schemes intended to lower the price of monetary donation. Standard economic theory predicts that the two schemes will have the same effect on individuals’ donation behavior when...

Recent studies report that productivity increases under tournament reward structures than under piece rate reward structures. We conduct maze-solving experiments under both reward structures and reveal that overconfidence is a significant factor in increasing productivity. Specifically, subjects...

This paper estimates the factors affecting the relationship between the wins and losses of corporate sports club teams and the work morale of employees, using an original survey of employees from a selected Japanese automobile maker. We find that corporate sports club teams' performance is an...

This paper explores the effects of the 1995 Hanshin–Awaji Earthquake on the wages of people in the area of the earthquake over the 17 years after its occurrence and identified which part of the wage distribution has been most affected by this event by comparing the wage distributions of...