一个城市的品牌价值对于中小企业的发展至关重要,而一个城市要形成自己的品牌,就要打造自己的城市名片,玉林市的城市名片之一就是每年一度的中小企业商机博览会(中国·玉林)诺贝尔经济学奖获得者科斯说,企业是存在边界的。受限于扩张带来的巨大组织成本,大企业不可能无限扩张,这就从理论上论证了中小企业存在的合理性和必要性。依照比较优势原理,中小企业虽然在规模效益上处于劣势,但在效率、成本、机制等方面具有大企业不可比拟的优势。 A city’s brand value for the development of SMEs is essential, and a city to form their own brand, it is necessary to create their own city card, Yulin City, one of the city’s business card is the annual SME Business Expo (China Yulin Coase, a Nobel laureate in economics, said businesses have borders. Due to the enormous organizational cost caused by the expansion, it is impossible for large enterprises to expand indefinitely. This theoretically demonstrates the rationality and necessity of the existence of small and medium-sized enterprises. According to the principle of comparative advantage, although SMEs are at a disadvantage in terms of economies of scale, they have the incomparable advantages of large enterprises in terms of efficiency, cost and mechanism.