多元化经营是指公司在核心业务范围以外的领域从事生产经营活动。多元化一般认为有三种类型:同心多元化(开发与现有产品技术或营销有协同关系的新业务)、水平多元化(开发满足现有顾客需要的新业务)、跨行业多元化(开发与现有技术、产品或市场毫无关系的新业务)。多元化经营曾一度被认为是企业发展的必经之路、康庄大路。然而,进入90年代以来,由于多元化经营而失败的例子屡见不鲜。如日本索尼公司进军好莱坞,投资数十亿美元收购哥伦比亚电影公司,成立了哥伦比亚三星公司,然而事实证明了电器专家并不必然是电影专 Diversification means that the company is engaged in production and business activities outside the scope of its core business. Diversification There are generally three types of congeniality: concentric diversification (developing new businesses that have synergies with existing product technologies or marketing), horizontal diversification (developing new businesses that meet existing customer needs), cross-industry diversification Existing technology, product or market has nothing to do with the new business). Diversified business was once considered the only way for the development of enterprises, Hong Chong Road. However, since the 1990s, there have been many examples of failures due to diversification. Such as Japan's Sony into Hollywood, billions of dollars in the acquisition of Columbia Film Company, the establishment of Columbia, Samsung, however, it turns out that electrical experts are not necessarily the film