Publications

November 2023
Article

Open Source Software and Global Entrepreneurship

By: Nataliya Langburd Wright, Frank Nagle and Shane Greenstein

This is the first study to consider the relationship between open source software (OSS) and entrepreneurship around the globe. This study measures whether country-level participation on the GitHub OSS platform affects the founding of innovative ventures, and where it... View Details

Keywords: Entrepreneurship; Applications and Software; Business Ventures; Development Economics; Innovation and Invention; Global Range

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13 Oct 2006
Working Paper Summaries

Pricing Liquidity: The Quantity Structure of Immediacy Prices

Keywords: by George C. Chacko, Jakub W. Jurek & Erik Stafford

December 2019
Article

Costly Concessions: An Empirical Framework for Matching with Imperfectly Transferable Utility

By: Alfred Galichon, Scott Duke Kominers and Simon Weber

We introduce an empirical framework for models of matching with imperfectly transferable utility and unobserved heterogeneity in tastes. Our framework allows us to characterize matching equilibrium in a flexible way that includes as special cases the classic fully- and... View Details

Keywords: Sorting; Matching; Marriage Market; Intrahousehold Allocation; Imperfectly Transferable Utility; Marketplace Matching; Mathematical Methods

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30 May 2023
Research & Ideas

Can AI Predict Whether Shoppers Would Pick Crest or Colgate?

but large language models like generative pre-trained transformers (GPTs) may allow companies to rely on AI to uncover consumers’ tastes, according to new research from Harvard Business School and Microsoft.... View Details

Keywords: by Kristen Senz

March 2021
Article

The Variation in Capacity Remuneration Requirements in European Electricity Markets

By: Conor Hickey, Derek Bunn, Paul Deane, Celine McInerney and Brian O' Gallachoir

This paper provides the first EU wide analysis of the variation in Capacity Remuneration Requirements throughout Europe which aim to resolve the “missing money” problems in various member states. The findings of this analysis point to an asymmetric investment case for... View Details

Keywords: Environmental Regulation; Investment; Utilities Industry; Europe

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08 Dec 2016
HBS Seminar

Joel Waldfogel, University of Minnesota, Carlson School of Management

October 2016
Case

The Quiet Ascension of LA Fitness

By: John R. Wells and Gabriel Ellsworth

In 2016, LA Fitness was the largest chain of non-franchised fitness clubs in North America, operating 676 clubs, serving 4.9 million members, and generating revenues of over $1.9 billion. Founded by Chinyol Yi, Louis Welch, and Paul Norris in 1984, the privately held... View Details

Keywords: LA Fitness; Health Clubs; Fitness; Gyms; Chain; Exercise; Personal Training; Retention; Bally Total Fitness; 24 Hour Fitness; Planet Fitness; Buildings and Facilities; Acquisition; Business Growth and Maturation; Business Model; For-Profit Firms; Customers; Customer Focus and Relationships; Customer Satisfaction; Demographics; Age; Gender; Income; Residency; Borrowing and Debt; Capital; Capital Structure; Cash; Cash Flow; Cost; Private Equity; Financial Condition; Financial Liquidity; Financing and Loans; Investment Return; Price; Profit; Revenue; Geographic Location; Geographic Scope; Multinational Firms and Management; Business History; Employees; Recruitment; Selection and Staffing; Human Capital; Contracts; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Market Entry and Exit; Operations; Service Operations; Leasing; Private Ownership; Problems and Challenges; Sales; Salesforce Management; Situation or Environment; Opportunities; Sports; Strategy; Business Strategy; Competition; Competitive Strategy; Competitive Advantage; Corporate Strategy; Expansion; Segmentation; Information Technology; Mobile Technology; Technology Platform; Health Industry; United States; California; Los Angeles

October 1987 (Revised September 1992)
Case

Hurricane Island Outward Bound School

Hurricane Island Outward Bound, a small, nonprofit school that helped pioneer experiential education in the United States, has recently recovered from a financial crisis. Students take the role of the school's new marketing manager, who is preparing his first marketing... View Details

Keywords: Demand and Consumers; Nonprofit Organizations; Marketing Strategy; Education; Education Industry; United States

April 2023
Article

The Preference Survey Module: A Validated Instrument for Measuring Risk, Time, and Social Preferences

By: Armin Falk, Anke Becker, Thomas Dohmen, David B. Huffman and Uwe Sunde

Incentivized choice experiments are a key approach to measuring preferences in economics but are also costly. Survey measures are a low-cost alternative but can suffer from additional forms of measurement error due to their hypothetical nature. This paper seeks to... View Details

Keywords: Survey Validation; Experiment; Preference Measurement; Surveys; Economics; Behavior; Measurement and Metrics

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February 2008 (Revised March 2008)
Case

Terumo (A)

By: David Godes, Masako Egawa and Mayuka Yamazaki

Terumo faces two challenges: how to sell its catheter products in the U.S. and its new “Solution Pack” in its domestic market, Japan. The case provides rich detail on the firm's evolution from a manufacturer of thermometers to a seller of commodity products like... View Details

Keywords: Organizational Change and Adaptation; Expansion; Global Strategy; Sales; Medical Devices and Supplies Industry; Japan; United States

13 Apr 2007
Working Paper Summaries

Incorporating Price and Inventory Endogeneity in Firm-Level Sales Forecasting

Keywords: by Saravanan Kesavan, Vishal Gaur & Ananth Raman; Retail

June 2011 (Revised June 2012)
Case

Sephora Direct: Investing in Social Media, Video, and Mobile

By: Elie Ofek and Alison Berkley Wagonfeld

Julie Bornstein, senior vice president of Sephora Direct, is seeking to double her budget for social media and other digital marketing initiatives for 2011. A number of digital efforts implemented in the past two years seem to be bearing fruit and there is a desire to... View Details

Keywords: History; Leadership; Marketing Strategy; Marketing; Emerging Markets; Investment Return; Investment Funds; Budgets and Budgeting

Research Summary

Sovereign Debt as a Contingent Claim: A Quantitative Approach (joint with Fabio Kanczuk)

By: Laura Alfaro

We construct a dynamic equilibrium model with contingent service and adverse selection to quantitatively study sovereign debt. In the model, benefits of defaulting are tempered by higher future interest rates. For a wide parameter, the only equilibrium is one in which... View Details

April 12, 2022
Article

Evaluation of Individual and Ensemble Probabilistic Forecasts of COVID-19 Mortality in the United States

By: Estee Y. Cramer, Evan L. Ray, Velma K. Lopez, Johannes Bracher, Andrea Brennen, Alvaro J. Castro Rivadeneira, Michael Lingzhi Li and et al.

Short-term probabilistic forecasts of the trajectory of the COVID-19 pandemic in the United States have served as a visible and important communication channel between the scientific modeling community and both the general public and decision-makers. Forecasting models... View Details

Keywords: COVID-19; Forecasting and Prediction; Health Pandemics; Mathematical Methods; Partners and Partnerships

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Research Summary

Statistical Methodology

William Simpson is developing methods of inference to use when assumptions of standard models are not met. He has created a hypothesis test to use for ipsative variables that adjusts for the non-zero correlations among variables expected under the null hypothesis. ... View Details

February 2024 (Revised September 2024)
Case

TimeCredit

By: Emanuele Colonnelli, Raymond Kluender and Shai Benjamin Bernstein

TimeCredit is an artificial intelligence (AI) startup that is developing large language models (LLMs) to generate accounting memos. The case follows Ndonga Sagnia, a Gambian Harvard Business School MBA student with an accounting background, as she decides how much... View Details

Keywords: Accounting; Business Startups; Entrepreneurship; Financing and Loans; AI and Machine Learning; Entrepreneurial Finance; Identity; Technology Industry

February 2010
Supplement

Marketing Analysis Toolkit: Market Size and Market Share Analysis (CW)

By: Thomas J. Steenburgh and Jill Avery

This Excel worksheet contains sample problems, prebuilt Excel models to run market sizing and market share analyses, and charts and graphs which help visualize the results. It is designed to accompany Marketing Analysis Tookit: Market Size and Market Share Analysis.... View Details

Keywords: Mathematical Methods; Marketing Strategy; Decisions; Strategic Planning; Market Participation; Sales; Forecasting and Prediction; Management Analysis, Tools, and Techniques

October 2022
Case

Star Magnolia Capital: Becoming Experts at Finding Experts

By: Lauren Cohen, Hao Gao, River Ewing and Grace Headinger

Shinya Deguchi, Founder and Managing Partner of Star Magnolia Capital, a Shanghai-based multi-family office (MFO), considered how to convince a new prospective family that the MFO’s endowment model approach would best suit their needs. In recent decades, there has been... View Details

Keywords: China; Asia; Family Office; Shanghai; Financial Industry; Asset Management; Financial Instruments; Financial Management; Financial Strategy; Investment; Investment Return; Investment Portfolio; Human Capital; Family Business; Financial Services Industry; China; Shanghai