We first report that one-minute returns on TOPIX have exhibited significant autocorrelation at five-minute intervals since 1997/98, which implies there is an arbitrage opportunity. Special quotes that are issued whenever there is a price jump in excess of a predetermined band seem to be the...

What are the sources of rapid wage growth during a worker's early career? To address this question, I construct and estimate a model of strategic wage bargaining with on-the-job search to explore three different components of wages: general human capital, match-specific capital, and bargaining...

In this paper, we conduct a dynamic panel analysis of the determinants of the household saving rate in China using a life cycle model and panel data on Chinese provinces for the 1995-2004 period from China's household survey. We find that China's household saving rate has been high and rising...

This paper examines Chinese students' risk attitude using buying and selling experiments with lotteries. We found that subjects were more risk averse in the buying experiment than in the selling experiment, suggesting the endowment effect. In the selling experiment, subjects were risk loving...

Recently, credit ratings have been enhancing the influence on issuers as well as the national economy. This paper explains the historical development and several current features of the Japanese bond market, and discusses why credit ratings gained a significant role in the 1990s. We also present...

We conducted a field experiment on the Internet and investigated the participants' belief updating in an individual learning environment where they observe a sequence of private signals and in a social learning environment where they observe a sequence of other people's actions. We observed that...

Does democracy help babies survive in sub-Saharan Africa? By using retrospective fertility surveys conducted in 28 African countries, I compare the survival of infants born to the same mother before and after democratization to identify the effect of democracy. In measuring democracy, I adopt a...

In this paper, we use Japanese micro data to examine what characteristics borrowing-constrained households have and whether borrowing constraints have an important influence on household consumption behavior. We identify borrowing-constrained households using three different indicators, some of...

Nishimura, Nakajima, and Kiyota (2005) analyze the entry/exit behavior patterns of Japanese firms during the 1990s and find that relatively efficient (high total factor productivity (TFP)) firms exited while relatively inefficient (low TFP) firms survived during the banking-crisis period of...

We examine the role of cost uncertainty in a firm's choice between exporting and foreign investment in oligopolistic industry. We consider both foreign direct investment and an international joint venture, and allow country-specific and firm-specific cost uncertainty. Unlike exporting, either...