by George Serafeim - Publications - Faculty & Research - Harvard Business School

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2022
Working Paper

ESG: Hyperboles and Reality

By: George Serafeim

ESG has rapidly become a household name leading to both confusion about what it means and creating unrealistic expectations about its effects. In this paper, I draw on more than a decade of research to dispel several myths about ESG and provide answers to important... View Details

Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Disclosure; ESG Reporting; ESG Ratings; Sustainability; Corporate Social Responsibility and Impact; Environmental Sustainability; Performance; Corporate Disclosure; Reports

November 2021
Article

Determining Variable Costs in the Acute Urolithiasis Cycle of Care Through Time-driven Activity-based Costing

By: Tyler R. McClintock, David F. Friedlander, Aiden Y. Feng, Mahek A. Shah, Daniel J. Pallin, Steven L. Chang, Angela M. Bader, Thomas W. Feeley, Robert S. Kaplan and George E. Haleblian

Objective. To characterize full cycle of care costs for managing an acute ureteral stone using time-driven activity-based costing.
Methods. We defined all phases of care for patients presenting with an acute ureteral stone and built an... View Details

Keywords: Time-Driven Activity-Based Costing; Health Care and Treatment; Cost; Activity Based Costing and Management

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Article

Decarbonization Factors

By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim, David Turkington and Hui (Stacie) Wang

In the face of accelerating climate change, investors are making capital allocations seeking to decarbonize portfolios by reducing the carbon emissions of their holdings. To understand the performance of portfolio decarbonization strategies and investor behavior... View Details

Keywords: ESG; Investment Management; Factor Investing; Investor Behavior; Climate Change; Environmental Sustainability; Investment; Management

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2021
Working Paper

Accounting for Employment Impact at Scale

By: Adel Fadhel, Katie Panella, Ethan Rouen and George Serafeim

Using new data on workforce composition and wages, we systematically measure the employment impact at U.S. firms from 2008 to 2020, including 2,682 unique firms and 22,322 firm-year observations. We document significant variation across industries and firms within each... View Details

Keywords: Impact Accounting; ESG; Employee Turnover; Wages; Employment; Measurement and Metrics; Human Capital; Diversity; United States

Summer 2021
Article

Predictable Country-level Bias in the Reporting of COVID-19 Deaths

By: Botir Kobilov, Ethan Rouen and George Serafeim

We examine whether a country’s management of the COVID-19 pandemic relate to the downward biasing of the number of reported deaths from COVID-19. Using deviations from historical averages of the total number of monthly deaths within a country, we find that the... View Details

Keywords: COVID-19; Deaths; Reporting; Incentives; Government Policy; Health Pandemics; Health Care and Treatment; Country; Crisis Management; Outcome or Result; Reports; Policy

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... View Details

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

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2021
Working Paper

Accounting for Product Impact in the Oil and Gas Industry

By: Katie Panella, 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 oil and gas industry. We design a monetization methodology that allows us to calculate monetary product impact estimates of... View Details

2021
Working Paper

Accounting for Product Impact in the Pharmaceuticals Industry

By: Amanda Rischbieth, 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 pharmaceuticals industry. We design a monetization methodology that allows us to calculate monetary impact estimates of accessible... View Details

2021
Working Paper

Impact Accounting for Product Use: A Framework and Industry-specific Models

By: George Serafeim and Katie Trinh

This handbook provides the first systematic attempt to generate a framework and industry-specific models for the measurement of impacts on customers and the environment from use of products and services, in monetary terms, that can then be reflected in financial... View Details

Keywords: Impact Measurement; Product Impact; Customer Welfare; Environment; ESG; Product; Customers; Well-being; Environmental Sustainability; Measurement and Metrics; Accounting; Financial Statements; Analysis; Framework

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... View Details

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... View Details

Keywords: Impact-Weighted Accounts; ESG (Environmental, Social, Governance) Performance; Corporate Social Responsibility and Impact; Measurement and Metrics; Standards

April 2021
Teaching Plan

Valuing Employment

By: George Serafeim and Ethan Rouen

Teaching Plan for HBS Case No. 121-086. View Details

2021
Working Paper

Science-Based Carbon Emissions Targets

By: David Freiberg, Jody Grewal and George Serafeim

We examine the effect of voluntarily adopting a standard for setting science-based carbon emissions targets on target difficulty and investments to achieve those targets. We find that firms with a track record of setting and achieving ambitious carbon targets are more... View Details

Keywords: Target; Targeting; Target-setting; Target Efficiency; Management Control Systems; Management Accounting; Environment; Environmental And Social Sustainability; Climate Change; Environmental Management; Environmental Accounting; Environmental Sustainability; Management Analysis, Tools, and Techniques

April 2021 (Revised April 2022)
Case

OneTen: One Million Opportunities in Ten Years

By: V. Kasturi Rangan and Courtney Han

In the wake of George Floyd's killing in May 2020, and widespread protests for social justice in the United States, OneTen was formed by a coalition of 40 large companies to provide one million jobs for African-Americans in 10 years. The case describes the background... View Details

Keywords: Labor Market; COVID-19 Pandemic; Diversity; Race; Jobs and Positions; Opportunities; Social Issues; Employment; Equality and Inequality; Equity; United States

Spring 2021
Article

Corporate Resilience and Response During COVID-19

By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim and Hui (Stacie) Wang

The coronavirus pandemic caused a sharp market decline while raising heterogeneous responses across companies related to their employees, supply chain, and repurposing of operations to provide needed products and services. We study whether during the 2020 COVID-19... View Details

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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... View Details

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... View Details

March 2021
Supplement

Facebook's Libra (B): The Privatization of Money?

By: Marco Di Maggio, Ethan Rouen, George Serafeim and Amy Klopfenstein

This case addresses the events that took place following the conclusion of the case “Facebook’s Libra (A): The Privatization of Money?” In October 2019, several months after the conclusion of the A case, multiple members of the Libra Association announced that they... View Details

January–February 2021
Article

Cross‐firm Return Predictability and Accounting Quality

By: Wen Chen, Mozaffar Khan, Leonid Kogan and George Serafeim

We test the hypothesis that if poor accounting quality (AQ) is associated with poor investor understanding of firms’ revenue and cost structures, then poor AQ stocks likely respond more slowly than good AQ stocks to new non‐idiosyncratic information that affects both... View Details

Keywords: Accounting Quality; Earnings Quality; Stock Returns; Investment Strategy; Accounting; Business Earnings; Quality; Investment Return; Investment; Strategy

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2021
Working Paper

Measuring Employment Impact: Applications and Cases

By: Katie Panella and George Serafeim

Applying the Impact-Weighted Accounts Initiative’s employment impact methodology on eight leading companies, we document wide variability in employment impacts as a percentage of salaries paid, ranging between 59 and 80 percent. We identify opportunities for... View Details

Keywords: Impact Measurement; Employee Compensation; Accounting; Employees; Labor; Well-being; Diversity; Wages; Compensation and Benefits

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