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  • All HBS Web  (67)
    • Faculty Publications  (3)

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    • All HBS Web  (67)
      • Faculty Publications  (3)

      Rating Disagreement Remove Rating Disagreement →

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      Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement
      Going Local: The Effects of a Local Presence by Global Rating Agencies
      → Search All HBS Web
      • 2021
      • Working Paper

      Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement

      By: George Serafeim and Aaron Yoon
      We investigate whether ESG ratings predict future ESG news and the associated market reactions. We find that the consensus rating predicts future news, but its predictive ability diminishes for firms with large disagreement between raters. Relation between news and...  View Details
      Keywords: Esg; Esg (environmental, Social, Governance) Performance; Esg (environmental, Social, Governance) Performance; Esg Disclosure; Esg Ratings; Esg Reporting; Esg Disclosure Metrics; Sustainability; Investments; News; disagreement; Rating Disagreement; Ratings; Finance; Accounting; Investment; Financial Services Industry
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      Serafeim, George, and Aaron Yoon. "Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement." Harvard Business School Working Paper, No. 21-079, January 2021.
      • Article

      Four Things No One Will Tell You About ESG Data

      By: Sakis Kotsantonis and George Serafeim
      As the ESG finance field and the use of ESG data in investment decision-making continue to grow, the authors seek to shed light on several important aspects of ESG measurement and data. This article is intended to provide a useful guide for the rapidly rising number of...  View Details
      Keywords: Esg; Esg (environmental, Social, Governance) Performance; Esg Reporting; Data Analytics; Sustainability; Sustainability Reporting; Csr; Transparency; Investment Management; Socially Responsible Investing; Sustainable Finance; Sustainable Development; Climate Change; Inclusion; Inclusive Growth; Corporate Social Responsibility And Impact; Corporate Accountability; Investment; Management; Climate Change; Corporate Governance; Diversity; Integrated Corporate Reporting
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      Kotsantonis, Sakis, and George Serafeim. "Four Things No One Will Tell You About ESG Data." Journal of Applied Corporate Finance 31, no. 2 (Spring 2019): 50–58.
      • October 2000 (Revised April 2001)
      • Case

      Cost of Capital at Ameritrade

      By: Mark L. Mitchell and Erik Stafford
      Ameritrade Holding Corp. is planning large marketing and technology investments to improve the company's competitive position in deep-discount brokerage by taking advantage of emerging economies of scale. In order to evaluate whether the strategy would generate...  View Details
      Keywords: Developing Countries And Economies; Asset Pricing; Cash Flow; Cost Of Capital; Investment; Marketing; Mathematical Methods; Competition; Technology; Internet; Financial Services Industry
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      Mitchell, Mark L., and Erik Stafford. "Cost of Capital at Ameritrade." Harvard Business School Case 201-046, October 2000. (Revised April 2001.)
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      Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement
      Going Local: The Effects of a Local Presence by Global Rating Agencies
      → Search All HBS Web
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