中文摘要：

近年来,以＂互联网＋＂为核心的数字经济快速发展,大大提升了我国经济质量,带动了经济持续向前发展。数字经济之所以能够快速发展并实现＂弯道超车＂,是因为它依托我国人口众多的消费红利,并全面地改变着传统经济模式：从微观上看,数字经济融合了＂规模经济＂和＂范围经济＂,颠覆了传统企业的盈利模式;从中观上看,数字经济通过机制创新改变了市场结构,使买卖双方近乎在完全竞争的市场上完成交易;宏观上看,数字经济通过大数据应用正在拓展经济计划配置资源的边界,促进政府与市场的融合。这些新的变化要求政府跟上创新节奏,提供优质的公共服务,缩小数字鸿沟,倡导数字伦理。

英文摘要：

In recent years, digital economy with ＂the Internet plus＂ at the core has been developing rapidly in China, which has greatly improved China＇s economic quality and driven sustainable development of national economy. Digital economy develops rapidly and achieves corner overtaking as it depends on China＇s consumption dividends of big population and is making sweeping changes in traditional economic model. From perspective of microeconomics, digital economy integrates ＂economy of scale＂ and ＂economy of scope＂ and it is changing traditional profit models. From the perspective of meso-economics, with mechanism innovation, digital economy has changed the market structure and thus made both buyers and sellers trade in an almost perfect competitive market. From the perspective of macroeconomics, digital economy is pushing the boundary on the economic plans to allocate resources so as to strengthen integration between government and market. These changes call for the government to keep up with innovation, provide quality public service, narrow digital divides, and advocate digital ethics.