在競爭激烈的全球環境下，跨國企業在進行海外直接投資時，會顧慮到是否採取多角化的策略。而新產品領域的拓展，不論是相關多角化或是非相關多角化，都是公司成長策略的重要部分。本研究主要探討一個問題：什麼樣的因素會影響企業採取多角化的策略。本研究透過39家跨國企業在台子公司的資料進行分析，結果顯示管理團隊異質化對於產品多角化程度具有顯著影響。除了產品多角化對於持續投資具有顯著影響關係外，經驗則是扮演重要的干擾變數角色。

In a highly competitive global environment, multinational enterprises (MNEs) will be concerned about how to adopt a diversification strategy when conducting foreign direct investment. The expansion of new product areas, whether related diversification or irrelevant diversification, is an important part of the company’s growth strategy. This study mainly discusses a question: what kind of factors will affect firm to adopt strategy for diversification. This study analyzed the data of 39 subsidiaries invested in Taiwan. The results show that the top management team heterogeneity has a significant impact on the degree of product diversification. In addition to product diversification, which has a significant impact on continuous investment, experience plays an important role as the moderating variable.