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Show Results For
- All HBS Web
(7,985)
- People (37)
- News (1,840)
- Research (4,888)
- Events (46)
- Multimedia (60)
- Faculty Publications (3,175)
- 2009
- Working Paper
Technology Innovation and Diffusion as Sources of Output and Asset Price Fluctuations
By: Diego A. Comin, Mark Gertler and Ana Maria Santacreu
We develop a model in which innovations in an economy's growth potential are an important driving force of the business cycle. The framework shares the emphasis of the recent "new shock" literature on revisions of beliefs about the future as a source of fluctuations,... View Details
Keywords: Business Cycles; Economic Growth; Asset Pricing; Technological Innovation; Mathematical Methods; System Shocks; Technology Adoption
Comin, Diego A., Mark Gertler, and Ana Maria Santacreu. "Technology Innovation and Diffusion as Sources of Output and Asset Price Fluctuations." Harvard Business School Working Paper, No. 09-134, May 2009. (Revise and Resubmit at the Journal of Political Economy.)
- May 20, 2024
- Article
Porter’s Five Forces and Competitive Advantage in Web3
By: Scott Duke Kominers and Liang Wu
Competitive strategy — the art of crafting and executing plans to achieve an advantageous position in the market — is integral to any business, and especially relevant for platforms because it determines their ability to achieve network effects and scale. But web3... View Details
Keywords: Five Forces Framework; Competitive Strategy; Business Strategy; Network Effects; Digital Transformation
Kominers, Scott Duke, and Liang Wu. "Porter’s Five Forces and Competitive Advantage in Web3." a16zcrypto.com (May 20, 2024).
- January 2017
- Article
Being Surprised by the Unsurprising: Earnings Seasonality and Stock Returns
By: Tom Y. Chang, Samuel M. Hartzmark, David H. Solomon and Eugene F. Soltes
We present evidence consistent with markets failing to properly price information in seasonal earnings patterns. Firms with historically larger earnings in one quarter of the year (“positive seasonality quarters”) have higher returns when those earnings are usually... View Details
Chang, Tom Y., Samuel M. Hartzmark, David H. Solomon, and Eugene F. Soltes. "Being Surprised by the Unsurprising: Earnings Seasonality and Stock Returns." Review of Financial Studies 30, no. 1 (January 2017): 281–323.
- 2008
- Thesis
Being B-Boys: Style, Identity, and Respect Among New England and Miami Street Dancers
By: Curtis K. Chan
This study examines the phenomenon of a street dance known as "b-boying" to explore how dancers locate, negotiate, and perform identities, as well as the tensions that occur concomitantly. Drawing on data from participant-observation, interviews, and diverse archival... View Details
- October 2013 (Revised November 2015)
- Case
Southwire and 12 For Life: Scaling Up? (A)
By: Jan W. Rivkin and Ryan Lee
Southwire, a leading maker of cable based in rural Georgia, has partnered with the local school system to staff a factory with at-risk high school students. The positive impact on student outcomes has been remarkable, and the factory makes a profit for the company. Now... View Details
Keywords: Partners and Partnerships; Production; Education; Business and Community Relations; Manufacturing Industry; Education Industry
Rivkin, Jan W., and Ryan Lee. "Southwire and 12 For Life: Scaling Up? (A)." Harvard Business School Case 714-434, October 2013. (Revised November 2015.)
- Spring 2021
- Article
Corporate Resilience and Response During COVID-19
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim and Hui (Stacie) Wang
The coronavirus pandemic caused a sharp market decline while raising heterogeneous responses across companies related to their employees, supply chain, and repurposing of operations to provide needed products and services. We study whether during the 2020 COVID-19... View Details
Keywords: ESG; COVID-19; Coronavirus; Crisis Response Plans; Crisis; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Leadership & Corporate Accountability; Big Data; Machine Learning; Investor Behavior; Institutional Investors; Corporate Performance; Health Pandemics; Crisis Management; Corporate Social Responsibility and Impact; Human Capital; Supply Chain; Operations; Leadership; Corporate Accountability; Institutional Investing; Performance
Cheema-Fox, Alex, Bridget LaPerla, George Serafeim, and Hui (Stacie) Wang. "Corporate Resilience and Response During COVID-19." Journal of Applied Corporate Finance 33, no. 2 (Spring 2021): 24–40.
- 2010
- Working Paper
Disagreement about the Team's Status Hierarchy: An Insidious Obstacle to Coordination and Performance
By: Heidi K. Gardner
Hierarchies are pervasive in groups, generally providing clear guidelines for the dominance and deference behaviors that members are expected to show based on their relative ranks. But what happens when team members disagree about where each member ranks on the... View Details
Keywords: Performance Effectiveness; Groups and Teams; Behavior; Conflict and Resolution; Perception; Status and Position; Cooperation
Gardner, Heidi K. "Disagreement about the Team's Status Hierarchy: An Insidious Obstacle to Coordination and Performance." Harvard Business School Working Paper, No. 10-113, June 2010.
- July 2014
- Article
Diasporas and Outsourcing: Evidence from oDesk and India
By: Ejaz Ghani, William R. Kerr and Christopher Stanton
This study examines the role of the Indian diaspora in the outsourcing of work to India. Our data are taken from oDesk, the world's largest online platform for outsourced contracts, where India is the largest country in terms of contract volume. We use an ethnic name... View Details
Keywords: Diaspora; Outsourcing; oDesk; Networks; Job Cuts and Outsourcing; Diasporas; Internet and the Web; Ethnicity; Service Industry; South Asia; India
Ghani, Ejaz, William R. Kerr, and Christopher Stanton. "Diasporas and Outsourcing: Evidence from oDesk and India." Management Science 60, no. 7 (July 2014): 1677–1697.
- September 2023
- Article
The Dynamics of Team Learning: Harmony and Rhythm in Teamwork Arrangements for Innovation
By: Jean-François Harvey, Johnathan R. Cromwell, Kevin J. Johnson and Amy C. Edmondson
Innovation teams must navigate inherent tensions between different learning activities to produce high levels of performance. Yet, we know little about how teams combine these activities—notably reflexive, experimental, vicarious, and contextual learning—most... View Details
Keywords: Groups and Teams; Learning; Performance Effectiveness; Collaborative Innovation and Invention
Harvey, Jean-François, Johnathan R. Cromwell, Kevin J. Johnson, and Amy C. Edmondson. "The Dynamics of Team Learning: Harmony and Rhythm in Teamwork Arrangements for Innovation." Administrative Science Quarterly 68, no. 3 (September 2023): 601–647.
- 03 Jan 2007
- Working Paper Summaries
Banking Deregulation, Financing Constraints and Entrepreneurship
- July 2018 (Revised September 2018)
- Case
Donald Trump and the Tax Cuts and Jobs Act
By: Matthew Weinzierl and Robert Scherf
In January 2018, President Donald Trump was full of optimism. He had just signed the most substantial legislation of his young presidency, the Tax Cuts and Jobs Act (TCJA), making major changes to the tax code. Echoing his campaign slogan—Make America Great Again—Trump... View Details
Weinzierl, Matthew, and Robert Scherf. "Donald Trump and the Tax Cuts and Jobs Act." Harvard Business School Case 719-002, July 2018. (Revised September 2018.)
- March 2015 (Revised May 2015)
- Case
Turkey and the Southern Corridor
By: Rawi Abdelal, Esel Çekin and Cigdem Çelik
In December 2014, Russia cancelled the South Stream pipeline that was envisaged to deliver natural gas through the Black Sea basin on to Europe and replaced it with a new pipeline through Turkey. The Turkish Stream was a great opportunity for Turkey to turn itself into... View Details
Keywords: Business ＆ Government Relations; Energy; Energy Security; Energy Corridor; Hub; Turkey; European Union; Eurasia; Politics; International Relations; Trade; Energy Sources; Business and Government Relations; Energy Industry; European Union; Turkey; Russia
Abdelal, Rawi, Esel Çekin, and Cigdem Çelik. "Turkey and the Southern Corridor." Harvard Business School Case 715-042, March 2015. (Revised May 2015.)
- February 1991 (Revised November 1993)
- Supplement
Investment Analysis and Lockheed Tri Star
A set of five exercises in capital budgeting. Student calculates and compares various decision criteria (including IRR and NPV) for capital investment projects. This is an introductory case, where relevant cash flows are provided, and the focus is on the discounting... View Details
Edleson, Michael E. "Investment Analysis and Lockheed Tri Star." Harvard Business School Supplement 291-031, February 1991. (Revised November 1993.)
- 02 Jul 2009
- Working Paper Summaries
Technology Innovation and Diffusion as Sources of Output and Asset Price Fluctuations
- 2018
- Chapter
Work and Workplace
By: Kai Ruggeri, Jana Berkessel, Jascha Achterberg, Gerhard M. Prinz, Alessandra Luna-Navarro, Jon M. Jachimowicz and A. V. Whillans
Work is a major part of many lives. While individual experiences with work will differ—from how long we work to what jobs we have and to what extent we enjoy them—almost everyone is affected by employment, whether they have a job or not. Decades of research in the... View Details
Keywords: Workplace; Behavioral Insights; Retirement Savings; Working Conditions; Employees; Performance; Happiness; Health; Job Search; Change
Ruggeri, Kai, Jana Berkessel, Jascha Achterberg, Gerhard M. Prinz, Alessandra Luna-Navarro, Jon M. Jachimowicz, and A. V. Whillans. "Work and Workplace." Chap. 9 in Behavioral Insights for Public Policy: Concepts and Cases, edited by Kai Ruggeri, 156–173. New York: Routledge, 2018.
- January 2025
- Case
Index and Active Investing: Vanguard and the New Frontier of Active ETFs
By: Marco Sammon, Luis M. Viceira and Jonathan Kanagasabai
This case explores Vanguard’s strategic decision-making process as it considers entering the growing market for actively managed exchange-traded funds (ETFs). Set in 2024, the case places students in the position of Rodney Comegys, Vanguard’s global head of the Equity... View Details
Keywords: Asset Management; Financial Strategy; Investment Funds; Investment Portfolio; Financial Services Industry
Sammon, Marco, Luis M. Viceira, and Jonathan Kanagasabai. "Index and Active Investing: Vanguard and the New Frontier of Active ETFs." Harvard Business School Case 225-056, January 2025.
- 10 Mar 2010
- Working Paper Summaries
A Reexamination of Tunneling and Business Groups: New Data and New Methods
- December 2024
- Article
Proxy Advisory Firms and Corporate Shareholder Engagement
By: Aiyesha Dey, Austin Starkweather and Joshua White
We study how Institutional Shareholder Services (ISS) affect firms’ engagement with shareholders. Our analyses exploit a quasi-natural experiment using say-on-pay voting outcomes near a threshold that triggers ISS to review engagement activities. Firms receiving ISS... View Details
Dey, Aiyesha, Austin Starkweather, and Joshua White. "Proxy Advisory Firms and Corporate Shareholder Engagement." Review of Financial Studies 37, no. 12 (December 2024): 3877–3931.
- May 2008
- Article
Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods
By: Daniel Cohen, Aiyesha Dey and Thomas Lys
We document that accrual‐based earnings management increased steadily from 1987 until the passage of the Sarbanes‐Oxley Act (SOX) in 2002, followed by a significant decline after the passage of SOX. Conversely, the level of real earnings management activities declined... View Details
Cohen, Daniel, Aiyesha Dey, and Thomas Lys. "Real and Accrual-Based Earnings Management in the Pre- and Post-Sarbanes Oxley Periods." Accounting Review 83, no. 3 (May 2008): 757–787.
- February 2020
- Article
Tales of Two Motives: Disclosure and Concealment
By: Leslie John, Michael L. Slepian and Diana Tamir
We posit that the desire to disclose personal information, and the desire to conceal it, are related yet distinct psychological motives. People often wish to conceal information, such as embarrassing aspects of the self. Yet people also seek to reveal information, such... View Details
John, Leslie, Michael L. Slepian, and Diana Tamir. "Tales of Two Motives: Disclosure and Concealment." Special Issue on Privacy and Disclosure, Online and in Social Interactions edited by L. John, D. Tamir, M. Slepian. Current Opinion in Psychology 31 (February 2020).