Publications

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May 2012 (Revised January 2013)
Case

Wikipedia: Project Esperanza

By: Mikolaj Jan Piskorski, Andreea Gorbatai and Tiona Zuzul

In October 2006, Wikipedia was the largest volunteer-run on-line encyclopedia which could be freely read and edited by anyone with internet access. Within almost six years of its founding in 2001, the project had attracted hundreds of thousands of editors who had... View Details

Keywords: Web-enabled Application; Internet; Information Publishing; Social and Collaborative Networks; Groups and Teams; Publishing Industry; United States

Educators

2011
Working Paper

Better-reply Dynamics in Deferred Acceptance Games

In this paper we address the question of learning in a two-sided matching mechanism that utilizes the deferred acceptance algorithm. We consider a repeated matching game where at each period agents observe their match and have the opportunity to revise their strategy... View Details

Keywords: Learning; Marketplace Matching; Outcome or Result; Game Theory; Mathematical Methods; Strategy

November 2004 (Revised September 2019)
Background Note

The U.S. Health Club Industry in 2004

By: John R. Wells, Gabriel Ellsworth and Benjamin Weinstock

In 2004, the $16.8 billion U.S. health club industry continued its strong record of growth. There were almost 27,000 health clubs in the United States, up from 6,700 two decades earlier, and these clubs claimed 41 million members, over 14% of the U.S. population.... View Details

Keywords: Health Clubs; Fitness; Gyms; Chain; Weight Loss; Obesity; Exercise; Personal Training; Bally Total Fitness; 24 Hour Fitness; YMCA; Gold's Gym; Curves; Franchise; Franchising; Subscription; Promotional Sales; Promotions; Fixed Costs; Body; Accrual Accounting; Revenue Recognition; Buildings and Facilities; Business Growth and Maturation; Business Model; For-Profit Firms; Trends; Customers; Demographics; Age; Income; Private Equity; Financing and Loans; Profit; Revenue; Geographic Scope; Multinational Firms and Management; Health; Nutrition; Business History; Employees; Retention; Human Capital; Working Conditions; Contracts; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Markets; Demand and Consumers; Supply and Industry; Industry Growth; Industry Structures; Operations; Service Operations; Franchise Ownership; Private Ownership; Public Ownership; Problems and Challenges; Sales; Salesforce Management; Situation or Environment; Opportunities; Nonprofit Organizations; Welfare; Sports; Strategy; Business Strategy; Competition; Competitive Strategy; Consolidation; Corporate Strategy; Customization and Personalization; Expansion; Segmentation; Hardware; Health Industry; United States

Educators

Social influence cannot be identified from purely observational data on social networks, because such influence is generically confounded with latent homophily, that is, with a node’s network partners being informative about the node’s attributes and therefore... View Details

Population Interference in Panel Experiments

The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit’s outcome, has received considerable attention in standard randomized experiments. The complications produced by population... View Details

26 Apr 2023
In Practice

Is AI Coming for Your Job?

instructors use tools like ChatGPT to teach concepts to students. The students might observe and engage with the AI tool and learn how to actively interrogate the responses it provides. I think this could make for beautiful, interactive... View Details

Keywords: by Kristen Senz; Technology

Web

Teaching by the Case Method - Christensen Center for Teaching & Learning

Participant-Centered Learning and the Case Method: A DVD Case Teaching Tool (HBSP, 2003). Christensen Center Tip Sheets Characteristics of Effective Case Method Teaching Elements of Effective Class Preparation Guidelines for Effective View Details

Web

Accounting & Management - Faculty & Research

significant increase in directors with other relevant domain knowledge. We observed limited or no change in control mechanisms related to improving the board members’ ability to voice different perspectives or commit more time to their... View Details

03 Oct 2023
Research Event

Build the Life You Want: Arthur Brooks and Oprah Winfrey Share Happiness Tips

you can be the observer of the feeling. When you can observe the, observe the feeling and not be absorbed by the feeling. You can feel it. And then take the wheel for yourself.... View Details

Keywords: by HBS Staff

05 Jul 2006
Working Paper Summaries

A Survey-Based Procedure for Measuring Uncertainty or Heterogeneous Preferences in Markets

Keywords: by Pai-Ling Yin; Technology; Web Services

Research Summary

Overview

Ms. Fedyk's main research interests lie at the intersection of asset pricing and behavioral finance, with a particular focus on information and belief formation. Her job market paper is part of a broader research agenda on the way in which information is incorporated... View Details

Working Paper

AI in Disguise—How AI-generated Ads' Visual Cues Shape Consumer Perception and Performance

By: Yannick Exner, Jochen Hartmann, Oded Netzer and Shunyuan Zhang

Generative AI’s recent advancements in creating content have offered vast potential to transform the advertising industry. This research investigates the impact of generative AI-enabled visual ad creation on real-world advertising effectiveness. For this purpose, we... View Details

Keywords: Digital Marketing; AI and Machine Learning; Advertising; Consumer Behavior; Advertising Industry

SSRN

June 2024
Article

Rationalizing Outcomes: Interdependent Learning in Competitive Markets

By: Anoop R. Menon and Dennis Yao

In this article we use simulation models to explore interdependent learning in competitive markets. Such interactions require attention to both the mental representations held by the management of the focal firm as well as the beliefs of that management about the... View Details

Keywords: Mental Models; Strategic Interactions; Rationalization; Explanation-based View; Competition

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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

2021
Working Paper

Once Bitten, Twice Shy: Learning from Corporate Fraud and Corporate Governance Spillovers

By: Trung Nguyen

This paper finds that investors learn from their experience with corporate fraud and financial misconduct and modify their investment behavior to avoid suspicious firms and increase corporate governance efforts. More specially, mutual funds that experienced corporate... View Details

Keywords: Institutional Investors; Investor Experience; Shareholder Voting; Corporate Fraud; Corporate Governance; Institutional Investing; Behavior; Change; Learning

2016
Conference Paper

The Pressing Game: Optimal Defensive Disruption in Soccer

By: Iavor I. Bojinov and Luke Bornn

Soccer, the most watched sport in the world, is a dynamic game where a team’s success relies on both team strategy and individual player contributions. Passing is a cardinal soccer skill and a key factor in strategy development; it helps the team to keep the ball... View Details

Keywords: Soccer; Strategy; Disruption

2016
Working Paper

Gender Differences in Altruism: Responses to a Natural Disaster

By: Matthew Lilley and Robert Slonim

High-profile disasters can cause large spikes in philanthropy and volunteerism. By providing temporary positive shocks to the altruism of donors, these natural experiments help identify heterogeneity in the distributions of the latent altruism which motivates donors.... View Details

Keywords: Altruism; Charitable Behavior; Philanthropy and Charitable Giving; Gender; Behavior

SSRN

Article

A Framework for Research on Corporate Accountability Reporting

By: Karthik Ramanna

This paper provides an accounting-based conceptual framing of the phenomenon of corporate accountability reporting. Such reporting is seen as arising from a delegator's (e.g., a citizenry) demand to hold a delegate (e.g., shareholders) to account. When effective,... View Details

Keywords: Corporate Accountability; Value; Financial Reporting; Business and Shareholder Relations

SSRN

August 2007 (Revised September 2008)
Case

Marketing the "$100 Laptop" (A)

By: John A. Quelch and Carin-Isabel Knoop

In 2002, Professor Nicholas Negroponte, a successful venture capitalist, author, and co-founder and chairman emeritus of the Massachusetts Institute of Technology (MIT) Media Lab, announced his intention to build a PC so cheap as to make it possible to provide... View Details

Keywords: Venture Capital; Internet and the Web; Information Technology; Product Development; Technological Innovation; Nonprofit Organizations; Marketing Strategy; Information Infrastructure; Developing Countries and Economies; Manufacturing Industry; Information Technology Industry; Computer Industry; Cambridge

Educators