中小企业在美国经济发展中发挥着至关重要的作用。美国现有的大多数企业巨人都是从小企业发展起来的,他们的创建者通过掌握关键性的新技术、新知识和新信息而得以逐渐成长。小企业在新技术商业化过程中扮演重要角色,是美国经济的一个特点:新创办的新技术型小企业的发展,持续不断地涌现新的思想并商业化和市场化,不断淘汰那些停滞不前的企业。这一过程在美国被认为是市场经济保持繁荣的基础,是保持和增强创办那些未来能对大公司形成挑战的小型企业的活力,是美国政府公共政策关注的重点。近年来,美国大部分新增就业岗位和技术创新都来自于 SMEs play a crucial role in the economic development of the United States. Most of the existing corporate giants in the United States have been developed from small businesses, and their founders have grown by capturing key new technologies, new knowledge and new information. Small enterprises play an important role in the commercialization of new technologies and are a characteristic of the U.S. economy. The development of newly-started small-and-medium-sized technology companies continues to emerge with new ideas and is commercialized and marketized. Before the business. In the United States, this process is considered as the basis for maintaining a prosperous market economy. It is the focus of the U.S. government's public policy to maintain and enhance the vitality of establishing small enterprises that will challenge the larger companies in the future. In recent years, most new jobs and technological innovations in the United States have come from