Publications

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Behavioral Finance & Financial Stability

Info Do Fire Sales Create Externalities? By: Sergey Chernenko & Adi Sunderam DEC 2018 How do cash policies affect stock returns? A mutual fund that uses its cash reserves to accommodate outflows will lower the volatility of its underlying holdings View Details

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About - Entrepreneurship

led by faculty co-chairs Julia Austin and Shikhar Ghosh. Advisory Board A talented group of faculty and alumni form a supportive and insightful advisory board. In The News 04 Jun 2025 The Action Catalyst Think Big, Buy Small, with Richard... View Details

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MBA Experience - Leadership

all students pursue the same course of study: the Required Curriculum and FIELD. By studying under a common curriculum, students build a solid, broad foundation of general management concepts and skills across all the key disciplines.... View Details

01 Jun 2024
News

Leveraging Generative AI

leaving the translation effort to GenAI. All managers are left to do is envision the insights their data could provide and strategize how to leverage them for business success.” LAUNCHING TECH VENTURES For his second year entrepreneurship elective, Launching Tech... View Details

Keywords: Jennifer Gillespie

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Online Business Courses & Certifications | HBS Online

solutions to your most challenging business problems. 7 weeks, 6-8 hrs/week Pay by July 24 $1,850 Certificate On Demand Launching Tech Ventures Professor Jeffrey Bussgang Gain... View Details

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Faculty & Research - Health Care

News Funding Today, Entrepreneurship Tomorrow. Or Not. Re: Jeff Bussgang 02 May 2025 | Harvard Gazette How to Gently Stop Someone Who Talks Way Too Much Re: Alison Wood Brooks 13 Apr 2025 | Washington Post Mel Robbins’ 7-Day Reset (That’s... View Details

Article

Investor Sentiment in the Stock Market

By: Malcolm Baker and Jeffrey Wurgler

We examine how investor sentiment affects the cross-section of stock returns. Theory predicts that a broad wave of sentiment will disproportionately affect stocks whose valuations are highly subjective and are difficult to arbitrage. We test this prediction by... View Details

Keywords: Financial Markets; Stocks; Investment Return; Valuation; Forecasting and Prediction; Volatility; Price; Risk and Uncertainty; Behavioral Finance

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California - Global

returns. January 2025 (Revised April 2025) Case Duolingo: On a 'Streak' By: Jeffrey F. Rayport , Nicole Tempest Keller and Nicole Luo In December 2024, Severin Hacker, Co-Founder and Chief Technology Officer of Duolingo, reflected on the... View Details

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Entrepreneurial Management Awards & Honors - Faculty & Research

from the U.S. Production Network.” Archie L. Jones : Named one of the Most Influential Black Corporate Directors by Savoy Magazine in 2021. Archie L. Jones : Received the Robert F. Greenhill Award for Outstanding Service to the HBS... View Details

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Technology & Innovation - Faculty & Research

Jeffrey J. Bussgang , James Barnett and Maxim Pike Harrell April 2025 | Case | Faculty Research In December 2023, BastionZero co-founder and CEO Sharon Goldberg considered her startup’s future. Established... View Details

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HBS Entrepreneurship Summit - Alumni

that Work: Increasing Diversity in Startups, VCs and Tech Moderator: Colleen Ammerman, Director, Race, Gender & Equity Initiative at Harvard Business School Panelists: Gil Addo (MBA 2011), RubiconMD Jeffrey J. View Details

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The Women in the Relay Assembly Test Room – The Human Relations Movement – Baker Library | Bloomberg Center, Historical Collections

HBS Home HBS Index Contact Us A New Vision An Essay by Professors Michel Anteby and Rakesh Khurana Introduction The Hawthorne Plant Employee Welfare Illumination Studies and Relay Assembly Test Room Enter Elton Mayo Human Relations and... View Details

01 Jun 2022
News

A Sustainable Solution for Fashion

emissions are produced by the industry, and the amount of textile waste generated each year could fill 20,000 football stadiums, Theuerkauf explains, adding that, “even in 2022, excess inventory is still put in landfills and burned.” To... View Details

Keywords: April White

March 2018 (Revised September 2019)
Case

Chewy.com (A)

By: Jeffrey F. Rayport and Matthew G. Preble

In late 2013, Ryan Cohen, cofounder and CEO of online pet products retailer Chewy.com, faces a “bet the company decision”—whether to stay with a third-party logistics provider (3PL) for all of its e-commerce fulfillment or to take the function in house. Cohen worries... View Details

Keywords: Pet Food; Pet Products; Retail; Growth and Development Strategy; Service Operations; Decision Choices and Conditions; E-commerce; Retail Industry; Service Industry; Florida; United States

01 Jan 2017
News

Improving Health Care Delivery

by Dean Nitin Nohria’s leadership and the fact that health care is becoming an important part of the vision for the future of HBS,” says Mary Ellen, who with Jeffrey served as gift cochairs for their... View Details

January 2018 (Revised September 2023)
Case

Giving Birth to Ovia Health

By: Jeffrey J. Bussgang and Julia Kelley

In late 2016, Paris Wallace, the CEO of Ovia Health, and the rest of the company’s co-founders faced a difficult decision about the best way to grow Ovia Health’s revenue. Founded in 2012, Ovia Health specialized in mobile and web applications in the women’s health... View Details

Keywords: Entrepreneurship; Growth and Development Strategy; Market Entry and Exit; Health Care and Treatment; Health Industry

07 Jun 2023
Blog Post

My One Case: MBA Class of 2023 Looks Back

(approximately 50 percent worker owned). While long-term wealth creation for frontline workers is great, I don’t want it to distract from the more immediate challenges that these workers face. By designing my operating model like... View Details

January 2017 (Revised October 2023)
Case

Classtivity: Payal's Pirouette

By: Jeffrey J. Bussgang and Olivia Hull

A few months after launching a new fitness technology product, the small staff of New York startup Classtivity gathers on a Saturday in April 2013 to take stock. With one successful pivot under its belt, Classtivity is finally generating revenue and enthusiasm among... View Details