The study most cited by the reformers is "Corporate Governance and Equity Prices", published in 2003 by three economists, Paul Gompers, Joy Ishii and Andrew Metrick.

被改革者引用最多的研究是由三位经济学家Paul Gompers，Joy Ishii和Andrew Metrick发表于2003年的“公司治理与股票价格”的论文。

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But with B-share holders calling the shots, such firms tend to underinvest, leading to lower sales growth and valuations than with single-share-class firms, according to a study by Harvard Business School's Paul Gompers, Stanford's Joy Ishii and Wharton's Andrew Metrick.

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