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This case considers Oakland Athletics General Manager Billy Beane’s data driven and, in baseball circles unconventional, approach to winning games...
Scott Wagner has recently joined GoDaddy, a leading provider of cloud-based software and services that helped individuals and small businesses...
- August 2021
- Article
Don't Take Their Word for It: The Misclassification of Bond Mutual Funds
By: Huaizhi Chen, Lauren Cohen and Umit Gurun
We provide evidence that bond fund managers misclassify their holdings, and that these misclassifications have a real and significant impact on investor capital flows. In particular, many funds report more investment grade assets than are actually held in their...
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- July 2021
- Article
Material Sustainability Information and Stock Price Informativeness
By: Jody Grewal, Clarissa Hauptmann and George Serafeim
As part of the SEC’s revision of Regulation S-K, many investors proposed the mandatory disclosure of sustainability information in the form of environmental, social, and governance (ESG) data. However, progress is contingent on collecting evidence regarding which...
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Keywords:
Voluntary Disclosure;
Accounting Standards;
Sustainability;
Nonfinancial Information;
Corporate Social Responsibility;
Stock Price Informativeness;
Synchronicity;
Environmental Sustainability;
Corporate Disclosure;
Corporate Accountability;
Stocks;
Price;
Corporate Social Responsibility and Impact;
Accounting;
Standards
- 2021
- Working Paper
Accounting for Product Impact in the Interactive Media and Services Industry
By: DG Park, George Serafeim and Katie Trinh
We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the interactive media and services industry. We design a monetization methodology that allows us to calculate monetary impact...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Social Media;
Product Design;
Product Positioning;
Society;
Product;
Environmental Sustainability;
Measurement and Metrics;
Framework;
Corporate Social Responsibility and Impact;
Technology Industry
- June 2021
- Technical Note
Introduction to Linear Regression
By: Michael Parzen and Paul J. Hamilton
This technical note introduces (from an applied point of view) the theory and application of simple and multiple linear regression. The motivation for the model is introduced, as well as how to interpret the summary output with regard to prediction and statistical...
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- June 2021
- Article
Developing a Value Framework: Utilizing Administrative Data to Assess an Enhanced Care Initiative
By: Casey J. Allen, Jarrod S. Eska, Nikhil G. Thaker, Thomas W. Feeley, Robert S. Kaplan, Ryan W. Huey, Ching-Wei D. Tzeng, Jeffrey E. Lee, Steven J. Frank, Thomas A. Aloia, Vijaya Gottumukkala and Matthew H.G. Katz
We used national administrative data to assess multiple domains of value associated with enhanced recovery pathways for patients undergoing pancreatic surgery. Value metrics included in-hospital mortality, complication rates, length of stay (LOS), 30-day readmission...
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- January 2021
- Article
Measuring Audit Quality
By: Shivaram Rajgopal, Suraj Srinivasan and Xin Zheng
In this paper, we document 45 specific allegations related to audit deficiencies based on GAAS, as detailed in 141 AAERs and 153 securities class action lawsuits over the violation years 1978–2016. Next, we use these allegations to validate existing popular proxies of...
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- 2021
- Article
Impact-Weighted Financial Accounts: A Paradigm Shift
By: Ethan Rouen and George Serafeim
The last decade has seen an exponential increase in corporate sustainability activities and efforts by investors to use these activities in their portfolio formation, valuation, and stewardship activities. This paper explains the need for a uniform strategy to measure...
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- May 19, 2021
- Article
Measuring the Impact of #MeToo on Gender Equity in Hollywood
By: Hong Luo and Laurina Zhang
The #MeToo movement has brought issues of sexual harassment and gender inequities to the forefront around the world. But how much of a tangible impact has it had on the experiences of women in the workplace? In this piece, the authors discuss their research that...
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- May 2021
- Article
Value-Based Healthcare in Urology: A Collaborative Review
By: Chanan Reitblat, Paul A. Bain, Michael E. Porter, David N. Bernstein, Thomas W. Feeley, Markus Graefen, Santosh Iyer, Matthew J. Resnick, C.J. Stimson, Quoc-Dien Trinh and Boris Gershman
Context:
In response to growing concerns over rising costs and major variation in quality, improving value for patients has been proposed as a fundamentally new strategy for how healthcare should be delivered, measured, and... View Details
In response to growing concerns over rising costs and major variation in quality, improving value for patients has been proposed as a fundamentally new strategy for how healthcare should be delivered, measured, and... View Details
- April 2021
- Exercise
Valuing Employment Exercise
By: George Serafeim, Ethan Rouen and Katie Panella
The Valuing Employment exercise can be used to show the importance of impact measurement in designing incentives and contracts. The exercise has two phases. In the first phase, participants play the role of managers at the State of Massachusetts Infrastructure...
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- April 2021
- Article
Evaluating Firm-Level Expected-Return Proxies: Implications for Estimating Treatment Effects
By: Charles M.C. Lee, Eric C. So and Charles C.Y. Wang
We introduce a parsimonious framework for choosing among alternative expected-return proxies (ERPs) when estimating treatment effects. By comparing ERPs’ measurement-error variances in the cross section and in time series, we provide new evidence on the relative...
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- 2021
- Working Paper
Hidden Software and Veiled Value Creation: Illustrations from Server Software Usage
By: Raviv Murciano-Goroff, Ran Zhuo and Shane Greenstein
How do you measure the value of a commodity that transacts at a price of zero from an economic standpoint? This study examines the potential for and extent of omission and misattribution in standard approaches to economic accounting with regards to open source...
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- 2021
- Working Paper
Accounting for Product Impact in the Telecommunications Industry
By: George Serafeim and Katie Trinh
We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the telecommunications industry. We design a monetization methodology that allows us to calculate monetary impact estimates of network...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Telecommunications;
Product Design;
Product Positioning;
Society;
Product;
Environmental Sustainability;
Measurement and Metrics;
Framework;
Corporate Social Responsibility and Impact;
Telecommunications Industry
- 2021
- Working Paper
Accounting for Product Impact in the Water Utilities Industry
By: George Serafeim and Katie Trinh
We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the water utilities industry. We design a monetization methodology that allows us to calculate monetary impact estimates of water...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Water;
Utilities;
Product Design;
Product Positioning;
Society;
Product;
Environmental Sustainability;
Measurement and Metrics;
Framework;
Corporate Social Responsibility and Impact;
Utilities Industry
- February 2021
- Tutorial
Assessing Prediction Accuracy of Machine Learning Models
By: Michael Toffel and Natalie Epstein
This video describes how to assess the accuracy of machine learning prediction models, primarily in the context of machine learning models that predict binary outcomes, such as logistic regression, random forest, or nearest neighbor models. After introducing and...
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- February 2021
- Article
Health Care Measurements That Improve Patient Outcomes
By: Robert S. Kaplan, Lara Jehi, Clifford Y. Ko, Andrea Pusic and Mary Witkowski
This article describes the challenges and solutions in determining whether a patient’s treatment has been successful. Such an assessment depends on multiple factors, including the patient’s pretreatment status; the qualifications of personnel performing the treatment;...
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- 2021
- Working Paper
The World Management Survey at 18: Lessons and the Way Forward
By: Daniela Scur, Raffaella Sadun, John Van Reenen, Renata Lemos and Nicholas Bloom
Understanding how differences in management “best practices” affect organizational outcomes has been a focus of both theoretical and empirical work in the fields of management, sociology, economics and public policy. The World Management Survey (WMS) project was born...
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- January 2021
- Case
Anodot: Autonomous Business Monitoring
By: Antonio Moreno and Danielle Golan
Autonomous business monitoring platform Anodot leveraged machine learning to provide real-time alerts regarding business anomalies. Anodot’s solution was used in various industries in order to primarily monitor business health, such as revenue and payments, product...
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- 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...
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- Editorial
Why ESG Funds Fail to Scale
By: Gabriel Karageorgiou and George Serafeim
You’ve seen the headlines about the growth in environmental, social, and governance funds. Many investment professionals might read these and believe that launching a new ESG investment firm or ESG offering will be an automatic success. Our analysis of the data shows...
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Keywords:
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Disclosure;
ESG Disclosure Metrics;
ESG Ratings;
ESG Reporting;
Investment Management;
Investment Strategy;
Investments;
Investment Fund;
Sustainability;
Sustainable Finance;
Sustainable Investing;
Investment;
Management;
Strategy;
Investment Portfolio;
Finance;
Growth and Development;
Failure