However, the latest researches have doubt on the former results from different perspectives, such as research method and data, and explore evidence on diversification premium.
更新的研究则侧重于对多元化折价的置疑，认为以前的研究方法或数据存在问题，并用新的方法或数据验证其置疑的合理性。
The paper concludes that diversification discount or premium depends on corporate characteristics and diversification is neutral.
本文认为多元化本身是中性的，多元化折价或多元化溢价的产生取决于公司特性。
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