Publications

September 2023
Article

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

SSRN

January – February 2011
Article

'Bricks and Clicks': The Impact of Product Returns on the Strategies of Multichannel Retailers

By: Elie Ofek, Zsolt Katona and Miklos Sarvary

The Internet has increased the flexibility of retailers, allowing them to operate an online arm in addition to their physical stores. The online channel offers potential benefits in selling to customer segments that value the convenience of online shopping, but it also... View Details

Keywords: Price; Profit; Marketing Channels; Consumer Behavior; Online Technology; Retail Industry

September 2010
Teaching Note

Acumen Fund: Measurement in Impact Investing (TN) (A) and (B)

By: Alnoor Ebrahim

Teaching Note for 310011 and 310017. View Details

Keywords: Projects; For-Profit Firms; Networks; Health Care and Treatment; Performance Evaluation; Investment Portfolio; Asset Pricing; Competition; Multinational Firms and Management; Venture Capital; Investment Return; Poverty; Financial Services Industry; Kenya

05 Mar 2019
Working Paper Summaries

The Impacts of Increasing Search Frictions on Online Shopping Behavior: Evidence from a Field Experiment

Keywords: by Donald Ngwe, Kris J. Ferreira, and Thales Teixeira; Retail; Apparel & Accessories; Consumer Products

06 Aug 2018
Research & Ideas

Supersmart Manufacturing Tools are Lowering Prices on TVs, Bulbs, and Solar Panels

commoditized. As consumers, we see this in the ever-decreasing retail selling price of flat panel TVs. The screen sizes get bigger, the resolution moves from HD to Ultra HD to 4K, and the prices keep... View Details

Keywords: by Sean Silverthorne; Manufacturing; Electronics

February 2017 (Revised June 2017)
Supplement

ExxonMobil: Business as Usual? (B)

By: George Serafeim, Shiva Rajgopal and David Freiberg

The case presents ExxonMobil's response to growing pressure to disclose how climate change will impact their business. This includes multiple asset impairments and losing a proxy vote to shareholders to increase climate change related reporting. Supplements the (B)... View Details

Keywords: Oil ＆ Gas; Oil Prices; Oil Companies; Asset Impairment; Predictive Analytics; Sustainability; Environmental Impact; Innovation; Disclosure; Accounting; Valuation; Energy Sources; Ethics; Corporate Disclosure; Governance Compliance; Climate Change; Financial Reporting; Energy Industry; United States

2021
Working Paper

Corporate Environmental Impact: Measurement, Data and Information

By: David Freiberg, DG Park, George Serafeim and T. Robert Zochowski

As an organization’s environmental impact has become a central societal consideration, thereby affecting industry and organizational competitiveness, interest in measuring and analyzing environmental impact has increased. We develop a methodology to derive comparable... View Details

Keywords: Environment; Impact; Measurement; Environmental Ratings; Corporate Valuation; Financial Materiality; Sustainability; Environmental Impact; Environmental Strategy; Impact-Weighted Accounts; IWAI; Environmental Sustainability; Corporate Social Responsibility and Impact; Measurement and Metrics; Valuation

SSRN

09 Mar 2021
Working Paper Summaries

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

Keywords: by George Serafeim and Aaron Yoon; Financial Services

Research Summary

Overview

Professor MacKay combines theory and measurement to deliver new insights about price competition and consumer preferences. In current and published papers, his research addresses how strategic pricing decisions may be influenced by algorithms, long-term contracts,... View Details

Keywords: Price Effects; Competition Policy; Algorithms; Online Competition; Dynamic Pricing; Beliefs; Preferences; Preference Heterogeneity; Preference Measurement; Competition; Microeconomics; Strategy; Integration; Cooperation

May 2023
Article

Gentrification and Retail Churn: Theory and Evidence

By: Edward L. Glaeser, Michael Luca and Erica Moszkowski

How does gentrification transform neighborhood retail amenities? This paper presents a model in which gentrification harms incumbent residents by increasing rental costs and by eliminating distinctive local stores. While rising rents can be offset with targeted... View Details

Keywords: Gentrification; Neighborhoods; Impact; Local Range; Transition; Civil Society or Community; Welfare; Economic Growth

Web

Impact of the New Medium - Edwin H. Land & Polaroid | Harvard Business School

110, a higher-end camera, and in 1954 the "Highlander" Model 80A, a smaller, more moderately priced camera. 73 Polaroid instructional literature offered clear and precise illustrations that showed customers how to "drop load" the negative... View Details

April 2010
Case

Metabical: Pricing, Packaging, and Demand Forecasting Recommendations for a New Weight Loss Drug

By: John A. Quelch and Heather Beckham

Metabical is a new weight loss drug from Cambridge Sciences Pharmaceuticals intended for moderately overweight individuals. In anticipation of final FDA approval, the senior director of marketing, Barbara Printup, prepares for the product launch and must make several... View Details

Keywords: Return On Investment; Forecasting; Pricing Policies; Demand Planning; Marketing Strategy; Price; Consumer Behavior; Investment Return; Forecasting and Prediction; Product Launch; Planning; Brands and Branding; Pharmaceutical Industry

Article

Research: The Cost of a Single U.S. Immigration Restriction

By: Dany Bahar, Prithwiraj Choudhury and Britta Glennon

On June 22, 2020, President Trump passed an Executive Order drastically cutting the number of highly skilled international workers eligible for non-immigrant visas to the U.S. To quantify the impact of this policy, the authors examined the immediate change in stock... View Details

Keywords: Work Visas; H1-B; Restriction; Impact; Immigration; Governing Rules, Regulations, and Reforms; Cost; Economy

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Research Summary

Overview

By: Robert J. Dolan

Professor Dolan's research interests including product policy and pricing. These areas have been the subject to two books, Managing the New Product Development Process and Power Pricing:How Managing Price Impacts the Bottom Line. In addition, he works on the societal... View Details

February 2017 (Revised June 2017)
Case

ExxonMobil: Business as Usual? (A)

By: George Serafeim, Shiva Rajgopal and David Freiberg

Climate change was becoming an important societal and business issue as more governments were introducing climate change related regulations and investors became increasibly worried about stranded assets within oil and gas firms. In September 2016, the U.S. Securities... View Details

Keywords: Oil ＆ Gas; Oil Prices; Oil Companies; Asset Impairment; Predictive Analytics; Sustainability; Environmental Impact; Innovation; Disclosure; Accounting; Valuation; Climate Change; Renewable Energy; Environmental Sustainability; Financial Reporting; Energy Industry

Article

The Perils of Proactive Churn Prevention Using Plan Recommendations: Evidence from a Field Experiment

By: Eva Ascarza, Raghuram Iyengar and Martin Schleicher

Facing the issue of increasing customer churn, many service firms have begun recommending pricing plans to their customers. One reason behind this type of retention campaign is that customers who subscribe to a plan suitable for them should be less likely to churn... View Details

Keywords: Churn/retention; Field Experiment; Pricing; Tariff/plan Choice; Targeting; Customer Relationship Management; Price; Performance Effectiveness

June 2024
Article

Valuing the Societal Impact of Medicines and Other Health Technologies: A User Guide to Current Best Practices

By: Jason Shafrin, Jaehong Kim, Joshua T. Cohen, Louis P. Garrison, Dana A. Goldman, Jalpa A. Doshi, Joshua Krieger, Darius N. Lakdawalla, Peter J. Neumann, Charles E. Phelps, Melanie D. Whittington and Richard Willke

This study argues that value assessment conducted from a societal perspective should rely on the Generalized Cost-Effectiveness Analysis (GCEA) framework proposed herein. Recently developed value assessment inventories—such as the Second Panel on Cost-Effectiveness’s... View Details

Keywords: Health Care and Treatment; Valuation; Cost vs Benefits; Society

January 2020
Case

SK Group: Social Progress Credits

By: George Serafeim, Ethan Rouen and David Freiberg

SK Group was one of the largest companies South Korea. A family-run conglomerate consisting of around 120 subsidiaries and employing more than 100,000, SK was tightly knit into the fabric of Korean society. SK viewed their future success as contingent upon the strength... View Details

November 2017 (Revised April 2019)
Case

Summa Equity: Building Purpose-Driven Organizations

By: George Serafeim

In 2015, Reynir Indahl left top Nordic private equity firm Altor Equity Partners to found Summa Equity (Summa). After long contemplation following the financial crisis, Indahl was convinced the financial system was producing negative externalities and that the current... View Details