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- All HBS Web
(119,159)
- Faculty Publications (37,974)
- December 2021 (Revised March 2022)
- Case
Collaboration Wars: Slack vs. Microsoft Teams
By: David B. Yoffie, Kriti Gupta, Mehek Punatar, Poonam Sacheti and Poorvi Vijay
In 2021, Slack was acquired by Salesforce. While widely viewed as the best corporate collaboration and messaging software, Slack was being challenged by Microsoft, which was giving away its competitive product, Microsoft Teams, for free with a subscription to... View Details
Keywords: Information Technology; Applications and Software; Technology Adoption; Acquisition; Business Model; Business Strategy; Competitive Strategy; Corporate Strategy; Competition; Expansion; Technology Industry
Yoffie, David B., Kriti Gupta, Mehek Punatar, Poonam Sacheti, and Poorvi Vijay. "Collaboration Wars: Slack vs. Microsoft Teams." Harvard Business School Case 722-398, December 2021. (Revised March 2022.)
- December 2021 (Revised January 2023)
- Case
Katerra (A)
By: Lindsay N. Hyde, Thomas R. Eisenmann and Tom Quinn
In April 2020, Katerra executives struggled with a series of decisions that would determine the fate of one of the best-funded construction startups in history. Katerra was founded in 2015 by technology-industry executive Michael Marks and commercial real estate... View Details
Keywords: Business Startups; Insolvency and Bankruptcy; Entrepreneurship; Failure; Construction; Real Estate Industry; Technology Industry; United States
Hyde, Lindsay N., Thomas R. Eisenmann, and Tom Quinn. "Katerra (A)." Harvard Business School Case 822-021, December 2021. (Revised January 2023.)
- December 2021 (Revised January 2023)
- Supplement
Katerra (B)
By: Lindsay N. Hyde, Thomas R. Eisenmann and Tom Quinn
In May 2020, SoftBank executives, having invested nearly $2 billion in Katerra, decided the vision of an end-to-end, vertically-integrated construction process was worth saving—with some major changes to company structure. The SoftBank Vision Fund invested $200 million... View Details
Keywords: Business Startups; Failure; Insolvency and Bankruptcy; Entrepreneurship; Construction; Real Estate Industry; Construction Industry; Technology Industry; United States
Hyde, Lindsay N., Thomas R. Eisenmann, and Tom Quinn. "Katerra (B)." Harvard Business School Supplement 822-025, December 2021. (Revised January 2023.)
- Column
The Changing Geography of Work: Priorities for Policy Makers
The COVID-19 pandemic thrust the issue of how and where we work into the spotlight. The adoption of remote and hybrid work increased exponentially as lockdowns necessitated social distancing. But now, as we enter a new phase of the pandemic, the Geography of Work—where... View Details
Keywords: Remote Work; Hybrid Work Model; Work-from-anywhere; Employees; Geographic Location; Policy
Choudhury, Prithwiraj. "The Changing Geography of Work: Priorities for Policy Makers." OECD Forum Network (December 6, 2021).
- 2021
- Working Paper
Capitalism, Slavery, and the Legacy of Cesare Beccaria
The Milanese Marquis Cesare Beccaria (1738-1794) dedicated his life first to theorizing a more just and equal society grounded in individual rights, anchored in secular political economy rather than in religious dogma, then to realizing this bold vision... View Details
Reinert, Sophus A. "Capitalism, Slavery, and the Legacy of Cesare Beccaria." Harvard Business School Working Paper, No. 22-034, December 2021. (Revised January 2022.)
- December 2021 (Revised September 2022)
- Case
Moleskine: Daniela Riccardi Turns the Page
By: Ryan Raffaelli and Sarah Gulick
Newly appointed CEO Daniela Riccardi needed to develop and present an action plan to the board of the company that owned Moleskine. Riccardi was hired because Moleskine had recently overextended its reach and needed more focus and discipline. Having previously served... View Details
Keywords: Rebranding; Brands and Branding; Organizational Change and Adaptation; Operations; Planning; Retail Industry; Italy
Raffaelli, Ryan, and Sarah Gulick. "Moleskine: Daniela Riccardi Turns the Page." Harvard Business School Case 422-044, December 2021. (Revised September 2022.)
- 2021
- Working Paper
Stock Investors' Returns Are Exaggerated
By: Jesse M. Fried, Paul Ma and Charles C.Y. Wang
The stock market generates less wealth than it appears. We show that total shareholder return (TSR), the standard measure of stock investor performance, substantially exaggerates returns earned by these investors in aggregate, and thus by most investors. The main... View Details
Keywords: All-shareholder Returns; Capital Flows; Dividend Reinvestment; Equity Premium; Total Shareholder Returns; Stocks; Investment Return; Market Timing
Fried, Jesse M., Paul Ma, and Charles C.Y. Wang. "Stock Investors' Returns Are Exaggerated." Harvard Business School Working Paper, No. 22-036, November 2021.
- December 2021 (Revised December 2021)
- Case
Thrive Earlier Detection
By: Malcolm Baker and William Vrattos
Baker, Malcolm, and William Vrattos. "Thrive Earlier Detection." Harvard Business School Case 222-049, December 2021. (Revised December 2021.)
- December 2, 2021
- Article
Former Best Buy CEO Hubert Joly: Empowering Workers to Create ‘Magic’
By: Hubert Joly and Adi Ignatius
Hubert Joly was behind an amazing turnaround at Best Buy. While everybody was saying he should lay people off to solve the company’s problems, Joly instead listened to the people working for him and found solutions that didn’t involve people losing their jobs.... View Details
Keywords: Purpose; Meaningful Work; Employee Empowerment; Mission and Purpose; Employees; Organizational Culture; Leadership
Joly, Hubert, and Adi Ignatius. "Former Best Buy CEO Hubert Joly: Empowering Workers to Create ‘Magic’." Harvard Business Review (website) (December 2, 2021). (Interview with Adi Ignatius, with embedded video.)
- December 2021
- Case
Grace Capital
By: Sara Fleiss, Robin Greenwood, Eren Kuzucu and Denise Han
In March 2020, the global pandemic was delivering a dose of volatility to the U.S. economy. Catherine Faddis, the CIO of Grace Capital, a Boston-based long-only equity manager, analyzed movements in her portfolio while eyeing previously shelved opportunities to invest... View Details
Keywords: Preferred Stock; COVID-19 Pandemic; Economy; Health Pandemics; Volatility; Entrepreneurship; Finance; Investment; Strategy; Decision Making; Investment Portfolio; Financial Services Industry; United States
Fleiss, Sara, Robin Greenwood, Eren Kuzucu, and Denise Han. "Grace Capital." Harvard Business School Case 222-052, December 2021.
- December 2, 2021
- Article
How to Build a Life: When You Can't Change the World, Change Your Feelings
By: Arthur C. Brooks
Brooks, Arthur C. "How to Build a Life: When You Can't Change the World, Change Your Feelings." The Atlantic (December 2, 2021).
- 2 Dec 2021
- Interview
How To Make Healthcare Innovation Happen
Regina Herzlinger has been called “the godmother of consumer-driven healthcare” because of her groundbreaking scholarly articles and books on the subject. As a professor of business administration at Harvard Business School for nearly 50 years, her focus has supported... View Details
Herzlinger, Regina E. "How To Make Healthcare Innovation Happen." Raise the Line (podcast), Osmosis, December 2, 2021.
- December 2021 (Revised November 2024)
- Course Overview Note
Leadership and Corporate Accountability (LCA)
By: Nien-hê Hsieh
Hsieh, Nien-hê. "Leadership and Corporate Accountability (LCA)." Harvard Business School Course Overview Note 322-074, December 2021. (Revised November 2024.)
- 2021
- Working Paper
The Incidence of the Corporate Income Tax Is Irrelevant for Its (Benefit-Based) Justification
Robust support for corporate income taxation is a puzzle for standard tax theory because the tax’s incidence is uncertain and unreliable. We propose a resolution: if the corporate tax is seen as a benefit-based tax, its normative appeal depends on the correspondence... View Details
Weinzierl, Matthew C. "The Incidence of the Corporate Income Tax Is Irrelevant for Its (Benefit-Based) Justification." NBER Working Paper Series, No. 29547, December 2021.
- December 2021
- Case
The Instant Payment Mandate: The Central Bank of Brazil and Pix
By: Lauren Cohen and Spencer C. N. Hagist
João M. P. De Mello and his team at the Central Bank of Brazil are preparing a move that would seek to tilt the scales in favor of financial inclusion for the entire country. The innovation at hand is the unprecedented nation-wide instant payment scheme: Pix. The fruit... View Details
Cohen, Lauren, and Spencer C. N. Hagist. "The Instant Payment Mandate: The Central Bank of Brazil and Pix." Harvard Business School Case 222-053, December 2021.
- Article
A Prescriptive Analytics Framework for Optimal Policy Deployment Using Heterogeneous Treatment Effects
By: Edward McFowland III, Sandeep Gangarapu, Ravi Bapna and Tianshu Sun
We define a prescriptive analytics framework that addresses the needs of a constrained decision-maker facing, ex ante, unknown costs and benefits of multiple policy levers. The framework is general in nature and can be deployed in any utility maximizing context, public... View Details
Keywords: Prescriptive Analytics; Heterogeneous Treatment Effects; Optimization; Observed Rank Utility Condition (OUR); Between-treatment Heterogeneity; Machine Learning; Decision Making; Analysis; Mathematical Methods
McFowland III, Edward, Sandeep Gangarapu, Ravi Bapna, and Tianshu Sun. "A Prescriptive Analytics Framework for Optimal Policy Deployment Using Heterogeneous Treatment Effects." MIS Quarterly 45, no. 4 (December 2021): 1807–1832.
- 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
Gupta, Varun, Christopher Jung, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi, and Chris Waites. "Adaptive Machine Unlearning." Advances in Neural Information Processing Systems (NeurIPS) 34 (2021).
- 2021
- Book
Amad a vuestros enemigos [Love Your Enemies]
By: Arthur C. Brooks
Brooks, Arthur C. Amad a vuestros enemigos [Love Your Enemies]. Barcelona: Elba Editorial, 2021, Spanish ed. Electronic.
- December 2021
- Article
Auctioneers Sometimes Prefer Entry Fees to Extra Bidders
By: Jiafeng Chen and Scott Duke Kominers
We investigate a market thickness–market power tradeoff in an auction setting with endogenous entry. We find that charging admission fees can sometimes dominate the benefit of recruiting additional bidders, even though the fees themselves implicitly reduce competition... View Details
Chen, Jiafeng, and Scott Duke Kominers. "Auctioneers Sometimes Prefer Entry Fees to Extra Bidders." Art. 102737. International Journal of Industrial Organization 79 (December 2021).
- 2021
- Chapter
Business Continuity Insurance in the Next Disaster
By: Samuel Gregory Hanson, Adi Sunderam and Eric Zwick
This article draws lessons from the business support policies pursued in the COVID-19
pandemic to guide policy design for the next disaster. We contrast the performance
of the Paycheck Protection Program to the Main Street Lending Program to illustrate
how design... View Details
Keywords: COVID-19 Pandemic; Policy; Economic Slowdown and Stagnation; Financing and Loans; United States
Hanson, Samuel Gregory, Adi Sunderam, and Eric Zwick. "Business Continuity Insurance in the Next Disaster." In Rebuilding the Post-Pandemic Economy, edited by Melissa S. Kearney and Amy Ganz, 52–77. Washington, DC: Aspen Institute, 2021.