New growth theory emphasize on knowledge spillovers for contributing to economic growth, knowledge spillovers has much more significance for regional economic growth all together.
新经济增长理论强调知识溢出对经济增长的贡献，知识溢出对区域经济的共同增长具有重要意义。
2
This paper assumes transport infrastructure has the effects of spatial spillovers on regional economic growth.
本文认为，交通基础设施对其所在区域外的其他区域同时具有正溢出和负溢出作用。
3
This article used R&D knowledge spillovers and FDI spillover to measure the inter-regional knowledge spillovers and international technological spillovers.