为适应新挑战而走向多种经营的许多原有外贸专业公司,经过一段时间的实践后发现面临新的困境。实证表明一味的多元化,尤其是不相关多元化经营往往会损害公司价值。专业化实现内生比较优势的理论以及规模经济、核心竞争力等理论表明,“一业为主”的多样化是专业外贸公司维持并增强竞争力的可选业务模式。 To adapt to the new challenges and to a variety of business management of many of the original foreign trade companies, after a period of practice found to face a new predicament. Empirical evidence shows that blind diversification, especially irrelevant diversification, often damages corporate value. The theory of specialization to realize endogenous comparative advantage as well as the theory of scale economy and core competitiveness show that the diversification of “one industry-based” is an optional business model for professional foreign trade companies to maintain and enhance their competitiveness.