两类投资对经济增长的贡献性研究--对美国的分析

Two Kinds of Investment and Economic Growth: Evidence from the US

本文认为,社会上的资本要素可分为固定资产和智力资本两类,社会经济增长就是由这两类资本来推动的。固定资产投资和智力资本投资对经济增长的贡献不同,从世界范围看,知识经济时代的来临使得智力资本对国民经济的贡献越来越大,而我国的经济增长总体上还依赖于固定资产投资,尚未进入知识经济时代。文章就美国智力资本投资与固定资产投资对经济增长的贡献进行了相关分析、回归分析和因果关系分析,指出美国智力资本投资对经济增长的贡献高于固定资产投资的贡献,智力资本成为促进经济增长的主要推动力。

With the Knowledge Economy Age coming across the world, intellectual capital is playing more and more important role in economy growth. The previous studies pointed out that fixed capital investment were still the main style to promote economy growth in most areas of China. By regression analysis and causality analysis to the intellectual capital investment, fixed capital investment and economic growth, this paper gives the conclusions that intellectual capital investment is the most important power in the economy growth in the US; this is different from China.