中文摘要：

技能偏向性技术进步是创新型经济发展的基本动力。本文根据政府采购高科技产品这些典型事实,将政府采购和消费者购买决策纳入熊彼特式增长模型中,从需求角度证明了政府和消费者对高技能产品的需求偏好在产业动态均衡过程中,能够提升技能劳动力工资溢价,引致技能偏向性技术进步的发生。模型结论的政策含义是应鼓励政府采购和消费者需求高技能产品采取长期视野,并采取＂宽厚的政府采购＂与＂挑剔的消费者需求＂组合,即政府采购政策对高技能产品应更为宽容、予以更多预算支出,并且不断增强技能劳动力市场的灵活性,以最大限度地发挥需求对技能偏向技术进步的促进作用。

英文摘要：

Skill-biased technical change is the basic power for the development of innovative economy.According to the stylized fact of government procurement to high-tech products,the paper puts the decision-making of government procurement and consumer purchasing into Schumpeterian growth model and proves that government and consumer＇s preference for high-skill products can improve skill premium and induce SBTC in the dynamic equilibrium from demand angle.From model＇s conclusion,we can draw policy implications that we should encourage government and consumer having long-term vision,holding government procurement generous and consumer demand discerning and enhancing the flexibility of labor market to maximize the promotion effect of demand to SBTC.