This paper examines a change in the level of competition in the Japanese life insurance industry over the last 17 years. We estimate the first order condition for profit-maximizing insurance oligopolies to obtain the degree of non-competition and collusion. Estimation results suggest that: 1)...

This paper uses one-minute returns on the TOPIX and Samp;P500 to examine the efficiency of the Tokyo and New York Stock Exchanges. Our major finding is that Tokyo completes reactions to New York within six minutes, but New York reacts within fourteen minutes. Dividing the sample period into...

In a questionnaire survey we asked Japanese institutional investors to recall what they thought and did during the worldwide stock market crash in October, 1987. The results confirm that the drop in U. S. stock prices was the primary factor on their minds, and other news stories in the United...

This paper investigates whether competition in the Japanese banking sector has improved in the last quarter of the 20th century. By estimating the first order condition of profit maximization, together with the cost function and the inverse demand function, we found that competition had...

In this paper we propose a new test of the efficient structure (ES) hypothesis, which predicts that efficient firms come out ahead in competition and grow as a result. Our test has significant advantages over existing ones, because it is more direct, and can jointly test the so-called quiet-life...

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...

Empirical results based on individual-level data from Japan were studied to determine the effect of social capital on the willingness to leave one's residential area. It was found that social capital accumulated through one's own experience in a residential area is not the only factor that...

How quickly does marginal utility diminish? It depends on the dimension along which we consider concavity of the utility function. This paper estimates the distribution of heterogeneous curvature parameters in individuals' utility functions from hypothetical choice data, while carefully...

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...