The article points out that the regional industrial added value rate varies with two main factors:department structure and specialized division of labour.

Considering two kinds of production externality: efficiency advantage of the specialization and complementary advantage of job diversification,and based on principal-agent theory,the choosing problem of optimal task assignment when two kinds of externality exist is studied.

By analyzing 208 representatives Ceramic and Household Appliances industry and 68 logistics enterprises in Foshan city,the paper concludes that enterprises can not only develop their core competence but also promote the effective growth of logistics demand after outsourcing non-main business and acting specialization,with the orderly situation of logistics supply,it is inev.

Why are local industrial clusters still on the low level of trading and specialization? Why are they constrained to upgrade from OEM to OBM? What makes it hard for industrial clusters in Zhejiang province to upgrade both insid.