中文摘要：

首先从产品市场、知识创新等级、既有区位因素和研发要素投入四个维度来认识影响企业研发迁移的推力、拉力因素，进而在宏观层面研究近年中国企业研发迁移表现出的特征，结果表明：向东部集中的趋势不断加强；经费投入的集聚程度显著高于人员投入；主导省市在人员方面的优势低于资金优势。

英文摘要：

This paper studies the push and pull forces that affect the relocation of firms＇ R＆D activities from the perspectives of product markets, level of innovation, path-dependence effects and input factors of R＆D activities. The relocation process of R＆D of Chinese companies is analyzed at macro-level. Result shows that inputs of both fund and labor are flowing to the East, and that input of fund is more concentrated than labor. Comparing to fund supply, the leading provinces are in less advantageous position in labor input.