新古典经济增长理论更关注的是人力资源的质量和科技的进步程度;而政府在基础设施方面的投资对经济增长的作用已引起经济学家们(如Barro1990、BarroandSala-I-Martin1992等)的广泛关注。本文将从供给的角度,以新古典理论为基础去分析在经济不发达国家积极财政政策对国家技术发 Neoclassical economic growth theory is more concerned with the quality of human resources and the progress of science and technology; and the role of government investment in infrastructure on economic growth has attracted the attention of economists (such as Barro 1990, Barro and Sala-I-Martin 1992) extensive attention. This article will supply from the perspective of neo-classical theory as the basis to analyze the positive financial policies in economically underdeveloped countries on the technical hair