This paper develops an overlapping generations model that involves endogenous determination of fertility and explicit city structure. We provide conditions under which there exists a unique steady state, which can replicate spatial features of demography observed in Japanese cities. We also...

Insurance institutions which are operated by public sector have two characters; one is as redistribution institution, and the other is as financial institution which manage large amount of funds. The fact that public insurance institutions (PuII) invest large amount of funds means that the...

In this paper, I investigate what is the difference in consumption behavior between hyperbolic and non-hyperbolic discounting households by using data from hJapan Household Survey on Consumer Preferences and Satisfactionh conducted by Osaka University. I show that the marginal propensity to...

This paper examines how the informational efficiency of the Japanese stock markets changed with the introduction of ETFs(Exchange-Traded Funds) by looking at the arbitrage relationships between cash and futures of the Nikkei225. This paper is unique in that it uses tick data, which enable me to...

This article clarifies the management of peasant households in the Tsugaru district of the Aomori Prefecture between the 1870s and 1930s, especially focusing on the relationship between the advances in agricultural technology and the labor allocation strategy of the peasant households. We...

Life-Cycle/Permanent Income Hypothesis (LCPIH) could be decomposed into the following three hypotheses: (1) Rational expectation in a narrow sense; (2) Householdsf having planning ability; and (3) Householdsf having execution ability for his optimal consumption plan. We test the LCPIH by parts,...

This paper examines the unemployment controversy between J. M. Keynes and A. C. Pigou, mainly from the latter's viewpoint. In this controversy, although he eventually conceded de- feat, Pigou attempted to prove that money wage cuts were effective on employment regardless of the level of interest...

This paper examines whether IT (information technology) management enhances the effects of IT investments. Our empirical analyses are based on the unique survey data. Main findings are as follows. Firms with IT management have higher effects of IT investments. The result holds when the indexes...

This paper presents a simple model that displays a joint determination of income inequality and intergenerational mobility affected by redistributive taxation. The model shows that a larger redistribution improves equality and utility and enhances mobility when the poor are financially...

This paper constructs a North-South quality ladder model in which foreign direct investment (FDI) is determined by the endogenous location choice of firms and examines analytically how strengthening patent protection in the South affects welfare in the South. Strengthening patent protection...