Kurokawa, Futoshi; Nishimura, Kiyohiko G. - In: Revue de l'OFCE 97 bis (2006) 5, pp. 351-371
We examine factors determining productivity of information-technology service activities at firm level, using most comprehensive data of information service industries in Japan. We focus on the degree of modularisation and resulting outsourcing and economies/diseconomies of scale in software...