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...

The Bank of Japan adopted the Quantitative Easing (QE) Policy from March 2001 to March 2006. This paper investigates whether or not this QE had an effect in stimulating real economy in Japan. The identification of policy effect in the above Japanese case enables us to evaluate indirectly the...

本論文では，日本の上場企業のデータを用いて，資本財の多様性・異質性を前提としたMultiple q...