美国数字经济多年来一直在全球独占鳌头，在各个领域均占据领先和优势地位，这在很大程度上得益于其有效的产业政策的指引。近年来，随着中国数字经济的强劲崛起，美国在数字领域的领先优势在逐渐缩小，但在产业的完整度以及核心技术方面，美国的优势仍是不可撼动的。美国的数字经济正在走向集中化，创新成为美国数字经济打破垄断，促进发展最重要的驱动力。
US plays the leading role in the global digital economy area for many years.The entire industry chain，edging business modes and high technologies are the main advantages of US digital economy.In recent years，as the unprecedently rising of China digital economy，the leading status of US digital economy is facing severe challenges.Especially in consumer internet field，China has outperformed US with the increasing gap.Overall，at present，China has no ability to compete US in fundamental technologies.The industry policy plays critical role in the development of US digital economy.The national power is used in the early phase of high-technology R＆D.Once the products are ripe for the market，the government will quit to avoid intervening the fair competition principles of the Market.The technology giants，such as Apple，Tesla，Google are all benefited from the US government subsidies and support.
