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- All HBS Web
(1,549)
- People (1)
- News (259)
- Research (1,162)
- Events (7)
- Multimedia (1)
- Faculty Publications (423)
- January 23, 2023
- Article
Digital Public Health Interventions at Scale: The Impact of Social Media Advertising on Beliefs and Outcomes Related to COVID Vaccines
By: Susan Athey, Kristen Grabarz, Michael Luca and Nils Wernerfelt
Public health organizations increasingly use social media advertising campaigns in pursuit of public health goals. In this paper, we evaluate the impact of about $40 million of social media advertisements that were run and experimentally tested on Facebook and... View Details
Keywords: COVID-19 Pandemic; Public Health; Vaccines; Social Media; Advertising; Power and Influence; Health Care and Treatment
Athey, Susan, Kristen Grabarz, Michael Luca, and Nils Wernerfelt. "Digital Public Health Interventions at Scale: The Impact of Social Media Advertising on Beliefs and Outcomes Related to COVID Vaccines." e2208110120. Proceedings of the National Academy of Sciences 120, no. 5 (January 23, 2023).
- 12 Nov 2014
- Working Paper Summaries
Finance and Social Responsibility in the Informal Economy: Institutional Voids, Globalization, and Microfinance Institutions
- Research Summary
Overview
Yanhua Bird's research encompasses two streams: (1) entrepreneurship and social innovation — how the design and structure of alternative forms of enterprises influence their activities and success, with a focus on peer-to-peer markets and social enterprises, and (2)... View Details
- 28 Apr 2014
- Research & Ideas
Football Stars Debate ‘The Social Capital of the Savvy Athlete’
"Richard Sherman sets Twitter off." T-shirts emblazoned with "Don't you ever talk about me" are now available on Sherman's website for $29.95. Sherman was among the panelists at a recent forum entitled "Unrealized Value? The View Details
- September 2016
- Article
History-based versus Uniform Pricing in Growing and Declining Markets
By: Oz Shy, Rune Stenbacka and David Hao Zhang
We analyze the Markov Perfect Equilibria of an infinite-horizon overlapping generations model with consumer lock-in to compare the performance of history-based and uniform pricing in growing and declining markets. Under history-based pricing, firms charge higher prices... View Details
Keywords: History-based Pricing; Introductory Discount; Uniform Pricing; Consumer Lock-in; High Switching Costs; Demand and Consumers; Competition; Price; Market Entry and Exit; Product Marketing
Shy, Oz, Rune Stenbacka, and David Hao Zhang. "History-based versus Uniform Pricing in Growing and Declining Markets." International Journal of Industrial Organization 48 (September 2016): 88–117.
- June 2005
- Article
Currency Returns, Intrinsic Value, and Institutional Investor Flows
By: K. A. Froot and T. Ramadorai
Keywords: Currencies; Exchange Rates; Purchasing Power Parity; Real Exchange Rate; Forecasting and Prediction; Behavioral Finance; Investment Return; Market Transactions; Performance Expectations; Personal Characteristics; Asset Pricing; Financial Services Industry
Froot, K. A., and T. Ramadorai. "Currency Returns, Intrinsic Value, and Institutional Investor Flows." Journal of Finance 60, no. 3 (June 2005): 1535–1566. (Revised from NBER Working Paper no. 9101, August 2002 and Harvard Business School Working Paper no. 04-036, December 2003.)
- 2015
- Case
Advanced Leadership Pathways: Howard Fischer, Eric Jacobsen, and Gratitude Railroad's Impact Investing
By: Rosabeth M. Kanter and Daniel Lennox-Choate
In 2013, Howard Fischer (hedge fund founder) and Eric Jacobsen (serial entrepreneur and private equity investor) established Gratitude Railroad as a community of impact investors in nine different "tracks." Each track represented a different concept for using... View Details
Keywords: Impact Investing; Environmental And Social Sustainability; Social Change; Sustainable Business And Innovation; Investment; Social Issues; Environmental Sustainability; Venture Capital; Business Startups; Entrepreneurship; Leadership; United States
Kanter, Rosabeth M., and Daniel Lennox-Choate. "Advanced Leadership Pathways: Howard Fischer, Eric Jacobsen, and Gratitude Railroad's Impact Investing." Harvard Business Publishing Case 316-047, 2015.
- 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
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
Serafeim, George, and Katie Trinh. "Accounting for Product Impact in the Telecommunications Industry." Harvard Business School Working Paper, No. 21-105, March 2021. (Revised May 2021.)
- 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
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
Serafeim, George, and Katie Trinh. "Accounting for Product Impact in the Water Utilities Industry." Harvard Business School Working Paper, No. 21-104, March 2021.
- 2021
- Working Paper
Accounting for Product Impact in the Airlines 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 airlines industry. We design a monetization methodology that allows us to calculate monetary impact estimates of fare... View Details
Keywords: Product Innovation; Impact; Impact Investing; Impact Measurement; ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Corporate Responsibility; Corporate Social Responsibility; Social Impact; Aviation; Product Design; Product Positioning; Society; Product; Environmental Sustainability; Measurement and Metrics; Framework; Corporate Social Responsibility and Impact; Air Transportation; Air Transportation Industry
Serafeim, George, and Katie Trinh. "Accounting for Product Impact in the Airlines Industry." Harvard Business School Working Paper, No. 21-066, November 2020. (Revised February 2021.)
- March 2020
- Article
Which Early Withdrawal Penalty Attracts the Most Deposits to a Commitment Savings Account?
By: John Beshears, James J. Choi, Christopher Harris, David Laibson, Brigitte C. Madrian and Jung Sakong
Previous research has shown that some people voluntarily use commitment contracts that restrict their own choice sets. We study how people divide money between two accounts: a liquid account that permits unrestricted withdrawals and a commitment account that is... View Details
Keywords: Quasi-hyperbolic Discounting; Present Bias; Sophistication; Naiveté; Commitment; Flexibility; Savings; Contract Design; Defined Contribution Retirement Plan; 401 (K); IRA; Saving; Behavior; Contracts; Design; Interest Rates
Beshears, John, James J. Choi, Christopher Harris, David Laibson, Brigitte C. Madrian, and Jung Sakong. "Which Early Withdrawal Penalty Attracts the Most Deposits to a Commitment Savings Account?" Art. 104144. Journal of Public Economics 183 (March 2020).
- September–October 2020
- Article
Social-Impact Efforts That Create Real Value
By: George Serafeim
Until the mid-2010s few investors paid attention to environmental, social, and governance (ESG) data—information about companies’ carbon footprints, labor policies, board makeup, and so forth. Today the data is widely used by investors. How can organizations create... View Details
Keywords: Sustainability; Sustainability Management; ESG; ESG (Environmental, Social, Governance) Performance; ESG Disclosure; ESG Disclosure Metrics; ESG Ratings; ESG Reporting; Social Impact; Impact Measurement; Social Innovation; Purpose; Corporate Purpose; Corporate Social Responsibility; Strategy; Social Enterprise; Society; Accounting; Investment; Environmental Sustainability; Climate Change; Corporate Strategy; Mission and Purpose; Corporate Social Responsibility and Impact; Financial Services Industry; Chemical Industry; Technology Industry; Consumer Products Industry; Pharmaceutical Industry; North America; Europe; Japan; Australia
Serafeim, George. "Social-Impact Efforts That Create Real Value." Harvard Business Review 98, no. 5 (September–October 2020): 38–48.
- 2021
- Article
Designing, Not Checking, for Policy Robustness: An Example with Optimal Taxation
By: Benjamin B. Lockwood, Afras Sial and Matthew C. Weinzierl
Economists typically check the robustness of their results by comparing them across plausible ranges of parameter values and model structures. A preferable approach to robustness—for the purposes of policymaking and evaluation—is to design policy that takes these... View Details
Lockwood, Benjamin B., Afras Sial, and Matthew C. Weinzierl. "Designing, Not Checking, for Policy Robustness: An Example with Optimal Taxation." Tax Policy and the Economy 35 (2021).
- September 2013
- Article
Testimonials Do Not Convert Patients from Brand to Generic Medication
By: John Beshears, James J. Choi, David Laibson, Brigitte C. Madrian and Gwendolyn Reynolds
Objectives: To assess whether the addition of a peer testimonial to an informational mailing increases conversion rates from brand name prescription medications to lower-cost therapeutic equivalents, and whether the testimonial's efficacy increases when... View Details
Keywords: Testimonial; Peer Information; Social Proximity; Communication; Generic Medication; Familiarity; Marketing Communications; Decision Choices and Conditions; Identity; Health Care and Treatment; Marketing Reference Programs; Power and Influence; Brands and Branding; Health Industry
Beshears, John, James J. Choi, David Laibson, Brigitte C. Madrian, and Gwendolyn Reynolds. "Testimonials Do Not Convert Patients from Brand to Generic Medication." American Journal of Managed Care 19, no. 9 (September 2013): e314–e316.
- November 2012
- Teaching Note
Groupon (TN)
By: Sunil Gupta, Ray Weaver and Yien Hao Lock
On November 4, 2011, Groupon, a marketing services company that promoted local businesses by selling deeply discounted vouchers for their products and services, completed its initial public offering that valued the company at $17 billion. Within a year Groupon's share... 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
Keywords: Product Innovation; Impact; Impact Investing; Impact Measurement; ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Corporate Responsibility; Corporate Social Responsibility; Social Impact; Pharmaceutical Companies; Pharmaceuticals; IWAI; Product Design; Product Positioning; Society; Environmental Sustainability; Corporate Social Responsibility and Impact; Product; Safety; Pharmaceutical Industry
Rischbieth, Amanda, George Serafeim, and Katie Trinh. "Accounting for Product Impact in the Pharmaceuticals Industry." Harvard Business School Working Paper, No. 21-139, June 2021.
- 2022
- Article
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Capital; Environment; Sustainability; CSR; Stock Price; Stock Market Expectations; Materiality; Market Reaction; Environmental Sustainability; Governance; Social Issues; Performance; News
Serafeim, George, and Aaron Yoon. "Which Corporate ESG News Does the Market React To?" Financial Analysts Journal 78, no. 1 (2022): 59–78.
- November 2016
- Article
Corporate Sustainability: First Evidence on Materiality
By: Mozaffar Khan, George Serafeim and Aaron Yoon
Using newly available materiality classifications of sustainability topics, we develop a novel dataset by hand-mapping sustainability investments classified as material for each industry into firm-specific sustainability ratings. This allows us to present new evidence... View Details
Keywords: Sustainability; Investments; Corporate Social Responsibility; Accounting; Corporate Reporting; Regulation; Corporate Social Responsibility and Impact; Integrated Corporate Reporting; Investment; Corporate Governance
Khan, Mozaffar, George Serafeim, and Aaron Yoon. "Corporate Sustainability: First Evidence on Materiality." Accounting Review 91, no. 6 (November 2016).
- 2023
- Working Paper
ESG: From Process to Product
By: George Serafeim
ESG measurement, analysis, management, and communication is a process that the financial industry has turned into a product, resulting in many investment funds using the ESG label. This has caused confusion, generating demand for a framework that defines... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; ESG Reporting; Investment Fund; Investment; Corporate Social Responsibility and Impact; Financial Services Industry
Serafeim, George. "ESG: From Process to Product." Harvard Business School Working Paper, No. 23-069, May 2023.
- 2020
- Working Paper
Accounting for Product Impact in the Consumer Finance Industry
By: George Serafeim and Katie Trinh
We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor credit card providers within the consumer finance industry. We design a monetization methodology that allows us to calculate monetary impact estimates... View Details
Keywords: Product Innovation; Impact; Impact Investing; Impact Measurement; ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Corporate Responsibility; Corporate Social Responsibility; Social Impact; Consumer Finance; Financial Services; Financial Inclusion; Product; Product Design; Product Positioning; Society; Corporate Social Responsibility and Impact; Personal Finance; Credit Cards; Financial Services Industry
Serafeim, George, and Katie Trinh. "Accounting for Product Impact in the Consumer Finance Industry." Harvard Business School Working Paper, No. 21-061, November 2020. (Revised December 2020.)