Korean Abstract: 최근 구글의 알고리즘 변경 및 검색결과 조작에 대한 EU의 제재, 라쿠텐이 온라인 입점업체의 가격 결정권을 침해하고 무료 배송정책을 도입한 행위에 대한 일본 경쟁당국의 제한 조치, 네이버가 자사상품...

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...

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This paper examines the effect of unemployment rates on crime rates, using two types of Japanese data: time-series data from 1976 to 2008 and prefectural panel data from 1975 to 2005. An analysis using time-series data shows that an increase in unemployment rates raises crime rates, while the...