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本文从国际贸易结构与知识产权保护两方面扩展了Coe和Helpman模型,并通过面板数据研究了APEC17个成员的生产率增长,得出了以下结论:(1)高R&D投入显著促进了其生产率的增长,低R&D投入未能显著促进其生产率的增长;(2)货物贸易R&D溢出渠道未能促进本国生产率的提高,而服务贸易R&D溢出渠道则促进了本国生产率的提高;(3)知识产权保护的直接效应不利于生产率的增长;(4)知识产权保护与本国R&D的协同效应显著地促进了生产率的增长,其与货物贸易R&D溢出的协同效应未能显著促进生产率的增长,与服务贸易R&D溢出的协同效应总体而言促进生产率的增长,但是对发展中经济体不显著。
This paper extends the Coe and Helpman models from the perspective of international trade structure and intellectual property protection and studies the productivity growth of APEC’s 17 members through panel data. The conclusions are as follows: (1) High R & D investment has significantly promoted its productivity growth , Low R & D investment did not significantly promote the growth of their productivity; (2) the channel of R & D spill of goods trade failed to promote the increase of domestic productivity, while the spillover channels of service trade promoted the increase of domestic productivity; (3) (4) The synergetic effect of intellectual property protection and domestic R & D significantly promoted the growth of productivity, and the synergy with the R & D spill of goods trade did not significantly promote the growth of productivity, and the spillover of R & D of service trade Synergies generally promote productivity growth but are not significant for developing economies.