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...

An English version of this paper can be found at 'http://ssrn.com/abstract=2865717 ' http://ssrn.com/abstract=2865717 Japanese Abstract:...