随着数字技术的发展和数据要素的应用，数字经济的内涵和外延不断拓展。从层次论来看，数字经济是数字及数字化产品和服务的消费、流通、生产等经济活动的统称，可以分为新基础设施层、新生产要素层、新生态环境层、新实体经济层、新经济形态层。沿着互联、赋能、融合、转型和创新的技术—经济路径，数据成为关键生产要素，新技术和新型基础设施重塑了数字经济的商业形态，数字平台成为企业和市场之后资源配置的新型组织模式。
With the development of digital technology and the application of data elements，the connotation and extension of digital economy have been expanded. From the perspective of hierarchy，digital economy is a collective term for economic activities such as consumption，circulation，and production of digital and digital products and services，which can be divided into new infrastructure layer，new production factor layer，new ecological environment layer，new real economy layer and new economic form layer. Along the technology-economy path of interconnection，empowerment，integration，transformation and innovation，data becomes a key factor of production. New technologies and new infrastructure reshape the business form of digital economy，and digital platforms become a new organizational model for resource allocation after enterprises and markets.
