2Syrquin. M, Chenery. H. B. Three decades of Industriallization [J]. The World Bank Review, 1989, (3):152-153.
3Kalz,Lawrence. F,Kevin Murphy. Changes in Relative Wages,1962-1987: Supply and Demand Factors[J]. Quarterly Journal of Economics, 1992.
4Macpterson,Producer service linkages and industrial innovation:results of a twelve-year tracking study of New York state manufacturers [J]. Growth and Change, 2008,39(3).
5Karl Johan. Producer services: growth and roles in long-term economic devel- opment[J]. The Services Industrial Journal, 2008,28(4).
6Alexander Hijzen. Employment,job turnover,and trade in producer services: UK firm-levd evidence[J]. Canadian Journal of Economics,2011,44(8).