Publications

October–November 2019
Article

A New Perspective on Post-Earnings-Announcement-Drift: Using a Relative Drift Measure

By: Michael Clement, Joonho Lee and Kevin Ow Yong

Prior research finds that there is a delayed reaction to both analyst-based earnings surprises and random-walk-based earnings surprises. Focusing on the market reaction from the post-announcement window, prior studies show that analyst-based drift is larger than random... View Details

Keywords: Business Earnings; Financial Reporting; Market Timing; Behavioral Finance

Register to Read

Article

Adaptive Machine Unlearning

By: Varun Gupta, Christopher Jung, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi and Chris Waites

Data deletion algorithms aim to remove the influence of deleted data points from trained models at a cheaper computational cost than fully retraining those models. However, for sequences of deletions, most prior work in the non-convex setting gives valid guarantees... View Details

Keywords: Machine Learning; AI and Machine Learning

07 Jul 2015
First Look

First Look: July 7, 2015

ways in which firms' business models may impact their negotiation outcomes. Several of the proposed pathways work intuitively through the intrinsic characteristics (motivation, personality, etc.) of agents negotiating on behalf of the... View Details

Keywords: Sean Silverthorne

June 2024
Case

Alignvest Student Housing: Keep Building or Time to Sell?

By: Shikhar Ghosh and Patrick Sanguineti

Sanjil Shah, Managing Partner of Alignvest Student Housing REIT (ASH), faces the most significant decision thus far in his career: is it the right time to sell the company? Together with his partner Reza Satchu, Shah had developed ASH into the largest student housing... View Details

Keywords: Exit Strategy; Real Estate; Founder; Equity Valuation; Decisions; Entrepreneurial Finance; Interest Rates; Health Pandemics; Housing; Partners and Partnerships; Expansion; Entrepreneurship; Business Exit or Shutdown; Canada

Educators

Purchase

January 2024 (Revised February 2024)
Course Overview Note

Managing Customers for Growth: Course Overview for Students

By: Eva Ascarza

Managing Customers for Growth (MCG) is a 14-session elective course for second-year MBA students at Harvard Business School. It is designed for business professionals engaged in roles centered on customer-driven growth activities. The course explores the dynamics of... View Details

Keywords: Customer Relationship Management; Decision Making; Analytics and Data Science; Growth Management; Telecommunications Industry; Technology Industry; Financial Services Industry; Education Industry; Travel Industry

Purchase

2019
Working Paper

Southern Responses to Gold Certification: Cooperate, Compete, Reject, Revise

By: Kristin Sippl

Artisanal gold mining is a Southern subsistence livelihood posing both challenges and opportunities for sustainable development. In 2011, Fairtrade International launched a certification program to address sustainability problems in the sector. Southern activists,... View Details

Keywords: Eco-labeling; Extractive Industries; Emerging Economies; Fair Trade; Environmental Sustainability; Standards; Programs; Governance Compliance; Competition; Adaptation; Mining Industry

23 Nov 2015
HBS Seminar

Gad Allon, Professor of Managerial Economics & Decision Sciences, Kellogg School of Management, Northwestern University

Research Summary

The Power of Paradox: Some Recent Developments in Interactive Epistemology

This survey describes a central paradox of game theory, viz. the Paradox of Backward Induction (BI). The paradox is that the BI outcome is often said to follow from basic game-theoretic principles--specifically, from the assumption that the players are rational. Yet,... View Details

2024
Working Paper

Platform Information Provision and Consumer Search: A Field Experiment

By: Lu Fang, Yanyou Chen, Chiara Farronato, Zhe Yuan and Yitong Wang

Despite substantial efforts to help consumers search in more intuitive ways, text search remains the predominant tool for product discovery online. In this paper, we explore the effects of visual and textual cues for search refinement on consumer search and purchasing... View Details

Keywords: Consumer Behavior; E-commerce; Decision Choices and Conditions; Learning; Internet and the Web

03 Oct 2007
Working Paper Summaries

The Causes and Consequences of Industry Self-Policing

Keywords: by Jodi L. Short & Michael W. Toffel

25 Feb 2019
Research & Ideas

How Gender Stereotypes Kill a Woman’s Self-Confidence

Working Knowledge Archives Women at Work What do you think of this research? How much intuition goes into your own decision making? Share your insights below. View Details

Keywords: by Dina Gerdeman

May 2025
Case

Windsurf and the AI Code Assistant Market

By: Suraj Srinivasan, Sudhanshu Nath Mishra and Radhika Kak

In April 2025, the founding team of Windsurf, an AI start-up specializing in code generation gathered in Mountain View, California, to assess its remarkable year of growth. The company had scaled from a niche GitHub Copilot alternative to a breakout player with over... View Details

Keywords: AI and Machine Learning; Venture Capital; Innovation Leadership; Technological Innovation; Technology Industry; United States

Educators

In 2000, Eaton Corporation was broadly diversified industrial conglomerate. But its strategy was evolving and its focus was narrowing around “power management” and more recently on “intelligent power,” the use of digitally enabled products and services designed... View Details

November 2024
Article

Preference Externality Estimators: A Comparison of Border Approaches and IVs

By: Xi Ling, Wesley R. Hartmann and Tomomichi Amano

This paper compares two estimators—the Border Approach and an Instrumental Variable (IV) estimator—using a unified framework where identifying variation arises from “preference externalities,” following the intuition in Waldfogel (2003). We highlight two dimensions in... View Details

Keywords: Econometrics; Casual Inference; Marketing; Economics; Advertising; Mathematical Methods

2015
Article

Beliefs About the True Self Explain Asymmetries Based on Moral Judgment

By: George E. Newman, Julian De Freitas and Joshua Knobe

Past research has identified a number of asymmetries based on moral judgments. Beliefs about (a) what a person values, (b) whether a person is happy, (c) whether a person has shown weakness of will, and (d) whether a person deserves praise or blame seem to depend... View Details

Keywords: Concepts; Social Cognition; Moral Reasoning; True Self; Values; Weakness Of Will; Blame; Values and Beliefs; Identity; Moral Sensibility; Happiness

14 Aug 2013
Working Paper Summaries

Firm Competitiveness and Detection of Bribery

Keywords: by George Serafeim

May 2024
Background Note

Pricing Strategy and Channels of Distribution: Where Value Delivery and Value Capture Intersect

By: Elie Ofek

Channels of distribution are a critical component of a firm’s go-to-market strategy. A company may elect to sell its products directly to customers (DTC) without the assistance of any intermediaries or, alternatively, it may seek several channel partners to help it... View Details

Keywords: Price; Distribution Channels; Business Strategy; Markets

Educators

Purchase

2010
Chapter

The Euro as a Reserve Currency for Global Investors

By: Luis M. Viceira and Ricardo Gimeno

This article explores the demand for the euro for risk management purposes and the evidence of stock market integration in the euro area. We define a reserve currency as one that investors demand either because it helps them hedge real interest risk and inflation risk,... View Details

Keywords: Volatility; Inflation and Deflation; Capital Markets; Currency; Stocks; Financial Markets; Financing and Loans; Investment Return; Investment Portfolio; Risk Management