Empirical Study of Software Industry by using Micro Data : Industrial Structure, Productivity and Human Capital

在日本软件产业中，产业结构发生了变化。独立软件企业的生产率高于具有分包结构的企业。近年来，云计算对软件产业产生了影响。在应用软件方面，尤其是医疗领域，必须予以重点关注。我们研究了e-Health对医疗费用的影响，结果表明，e-Health的使用可以降低医疗费用。

In Japanese software industry, the industrial structure has been changed. The productivity of independent software firm is higher than firms which have sub-contract structure. Recently Cloud computing has effected on the software industry. In application software, especially medical field must be focused. We study the effect of e-Health on the medical expense, and we can have the result showing the possibility that the use of e-Health can decrease the medical expense.