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...

In this study, we examine what promotes individual's health-related activities and how these activities affect the individual's health status. For this purpose, we use data from an original survey conducted in Japan. We adopt an estimation model which takes into account the following points: the...