Abstract: In addition to technology, special institution environment in America also plays an important function in digital economy. From the view of macro-environment of institution, the new liberalism thoughts and the free market standpoint penetrate into the economic development policy of United States, especially industry policy for telecommunication and media based on digital technology, which creates the suitable macro-environment for digital economy. From the view of institutional micro-environment, the creative system of ″government, industry, university and public″ takes the American economy to digital economy.
Key words: digital economy; institution; innovation
数字经济是一场数字技术推动的经济革命。这场数字化革命正在以数字技术的不断创新为推动力,以开放的知识为基础,从制造领域、管理领域、流通领域的数字化扩展到包括政府宏观调控的一切经济领域,逐渐形成一个经济体系。