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- All HBS Web
(1,823)
- People (3)
- News (451)
- Research (1,057)
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- Multimedia (16)
- Faculty Publications (528)
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- November 17, 2009
- Article
The Dark Underbelly of Online Advertising
By: Benjamin Edelman
The Internet is sold to advertisers as a highly measurable medium that is the most efficient way to target exactly the right customers. But online advertising is also easily subverted—letting fraudsters claim advertising fees for work they did not actually do. The... View Details
Edelman, Benjamin. "The Dark Underbelly of Online Advertising." HBR Now (November 17, 2009).
- 2020
- Working Paper
Spreading the Health: Americans' Estimated and Ideal Distributions of Death and Health(care)
By: Sorapop Kiatpongsan and Michael I. Norton
The 2010 Patient Protection and Affordable Care Act intensified debates over the role of government in the distribution of healthcare. A nationally-representative sample of Americans reported their estimated and ideal distributions of healthcare (unmet need for... View Details
Keywords: Healthcare; Mortality; Inequality; Justice; Equity; Health; Health Care and Treatment; Equality and Inequality; Fairness; Public Opinion; United States
Kiatpongsan, Sorapop, and Michael I. Norton. "Spreading the Health: Americans' Estimated and Ideal Distributions of Death and Health(care)." Harvard Business School Working Paper, No. 20-114, April 2020.
- June 2012
- Article
Sweeping Dishonesty under the Rug: How Unethical Actions Lead to Forgetting of Moral Rules
By: Lisa L. Shu and Francesca Gino
Dishonest behavior can have various psychological outcomes. We examine whether one consequence could be the forgetting of moral rules. In four experiments, participants were given the opportunity to behave dishonestly, and thus earn undeserved money, by over-reporting... View Details
Shu, Lisa L., and Francesca Gino. "Sweeping Dishonesty under the Rug: How Unethical Actions Lead to Forgetting of Moral Rules." Journal of Personality and Social Psychology 102, no. 6 (June 2012): 1164–1177.
- Article
Wealth-Making in Nineteenth and Early Twentieth Century Britain: Industry v. Commerce and Finance
By: Tom Nicholas
This paper refutes the hypothesis put forward by W.D. Rubinstein that a disproportionately large share of Britain's wealth makers were active in commercial and financial trades in London. We use a data set of businessmen active in nineteenth- and early... View Details
Keywords: Trade; Finance; Commercialization; Mathematical Methods; Wealth and Poverty; Great Britain; London
Nicholas, Tom. "Wealth-Making in Nineteenth and Early Twentieth Century Britain: Industry v. Commerce and Finance." Business History 41, no. 1 (January 1999).
- April 1992 (Revised February 1996)
- Case
CFM International, Inc.
In April 1987 the management team of CFM International, Inc. (CFMI) was considering developing a new jet engine for the Airbus A340. The withdrawal of a competitor's engine had created an unforeseen opportunity for CFMI to re-enter a competition it had apparently lost... View Details
Keywords: Risk and Uncertainty; Partners and Partnerships; Investment; Globalized Markets and Industries; Manufacturing Industry; Air Transportation Industry
Enright, Michael J. "CFM International, Inc." Harvard Business School Case 792-097, April 1992. (Revised February 1996.)
- Article
What Do Private Equity Firms Say They Do?
By: Paul A. Gompers, Steven N. Kaplan and Vladimir Mukharlyamov
We survey 79 private equity investors with combined assets under management (AUM) of over $750 billion about their practices in firm valuation, capital structure, governance, and value creation. Investors rely primarily on internal rate of return (IRR) and multiples to... View Details
Gompers, Paul A., Steven N. Kaplan, and Vladimir Mukharlyamov. "What Do Private Equity Firms Say They Do?" Journal of Financial Economics 121, no. 3 (September 2016): 449–476.
- 2009
- Chapter
Securing Online Advertising: Rustlers and Sheriffs in the New Wild West
By: Benjamin Edelman
Read the news of recent computer security guffaws, and it's striking how many problems stem from online advertising. Advertising is the bedrock of web sites that are provided without charge to end users, so advertising is everywhere. But advertising security gaps... View Details
Edelman, Benjamin. "Securing Online Advertising: Rustlers and Sheriffs in the New Wild West." In Beautiful Security, edited by Andy Oram and John Viega. O'Reilly Media, Inc., 2009. (Korean translation.)
- February 2013
- Case
18 Months in a Startup: Zaggora.com
By: Tom Nicholas
The founders of Zaggora reflected back on a tumultuous year-and-a-half in which they had generated, from just $40,000 in personal savings, a multi-million dollar sportswear enterprise selling Hotpants to women. These were hotpants not of the 1960s hipster variety, but... View Details
Keywords: Internet and the Web; Growth Management; Problems and Challenges; Business Startups; Brands and Branding; Innovation and Invention; Corporate Finance; Apparel and Accessories Industry; Sports Industry
Nicholas, Tom. "18 Months in a Startup: Zaggora.com." Harvard Business School Case 813-140, February 2013.
- 22 Nov 2016
- Working Paper Summaries
Explaining the Persistence of Gender Inequality: The Work-Family Narrative as a Social Defense against the 24/7 Work Culture
- March 2010
- Article
Sudden Stops: Determinants and Output Effects in the First Era of Globalization, 1880–1913
By: Michael D. Bordo, Alberto Cavallo and Christopher Meissner
We study the determinants and output effects of sudden stops in capital inflows during an era of intensified globalization from 1880 to 1913. Higher levels of exposure to foreign currency debt and large current account deficits associated with reliance on foreign... View Details
Keywords: Sudden Stops; Capital Flows; Economics; Macroeconomics; Economic Growth; Financial Crisis; Globalization; History
Bordo, Michael D., Alberto Cavallo, and Christopher Meissner. "Sudden Stops: Determinants and Output Effects in the First Era of Globalization, 1880–1913." Journal of Development Economics 91, no. 2 (March 2010): 227–241.
- 2019
- Book
Disciples of the State?: Religion and State-Building in the Former Ottoman World
By: Kristin Fabbe
As the Ottoman Empire crumbled, the Middle East and Balkans became the site of contestation and cooperation between the traditional forces of religion and the emergent machine of the sovereign state. Yet such strategic interaction rarely yielded a decisive victory for... View Details
Keywords: Ottoman Empire; Secularism; State-building; Religion; Governing Rules, Regulations, and Reforms; History; Turkey; Greece; Middle East
Fabbe, Kristin. Disciples of the State?: Religion and State-Building in the Former Ottoman World. Cambridge University Press, 2019.
- Article
The Baby Benefits Club
By: Debora L. Spar
This past summer several prominent firms seemed to be competing for the title of America's most family-friendly company. In August, Netflix announced plans to offer new mothers and fathers "unlimited leave". Microsoft countered quickly, promising to increase its own... View Details
Keywords: Parental Leave; Maternity Leave; Employees; Compensation and Benefits; Policy; Gender; Equality and Inequality
Spar, Debora L. "The Baby Benefits Club." Foreign Policy 215 (November–December 2015).
- September 2, 2014
- Article
Development of In-Group Favoritism in Children's Third-Party Punishment of Selfishness
By: Jillian J. Jordan, Katherine McAuliffe and Felix Warneken
When enforcing norms for cooperative behavior, human adults sometimes exhibit in-group bias. For example, third-party observers punish selfish behaviors committed by out-group members more harshly than similar behaviors committed by in-group members. Although evidence... View Details
Jordan, Jillian J., Katherine McAuliffe, and Felix Warneken. "Development of In-Group Favoritism in Children's Third-Party Punishment of Selfishness." Proceedings of the National Academy of Sciences 111, no. 35 (September 2, 2014): 12710–12715.
- 25 Feb 2019
- Research & Ideas
How Gender Stereotypes Kill a Woman’s Self-Confidence
Women make up more than half of the labor force in the United States and earn almost 60 percent of advanced degrees, yet they bring home less pay and fill fewer seats in the C-suite than men, particularly in male-dominated professions like finance and technology. This... View Details
Keywords: by Dina Gerdeman
- March 2022 (Revised April 2023)
- Case
Pittsburgh: A Successful City?
By: Karen Mills, Caroline Elkins, Vikram Gandhi, Gabriella Elanbeck and Zeke Gillman
Pittsburgh, PA, was once the crown jewel of American heavy industry. During the 19th and 20th centuries, the city was an undisputed leader in steel production, boasting some of the largest companies and wealthiest individuals in the world. Its abundance of... View Details
Keywords: Economic And Social Disparities; Economic Development; Local Economic Development; Contextual Intelligence; Contextual Knowledge; Context; City Growth; City Innovation; City Leadership; Pittsburgh; Local Government; Local Stakeholders; Business And Community; Business And Community Relations; Community Engagement; Community Relations; Cross-sector Collaboration; Innovation; Innovation Economy; Innovation Clusters; Innovation Ecosystems; Shared Prosperity; Equality Of Opportunity; Equity; Inclusion; Business And Government; Business ＆ Government Relations; Business And Government Relations; Business And Society; Neighborhoods; Race And Ethnicity; Innovation ＆ Entrepreneurship; Diversity; Ethnicity; Race; Household; Income; Economic Growth; Economic Sectors; Economics; Local Range; Urban Development; Urban Scope; City; Cross-Cultural and Cross-Border Issues; Government and Politics; Government Administration; Growth and Development; History; Leadership; Goals and Objectives; Philanthropy and Charitable Giving; Society; Civil Society or Community; Culture; Human Needs; Public Opinion; Public Sector; Social Issues; Poverty; Equality and Inequality; Manufacturing Industry; Steel Industry; Education Industry; Medical Devices and Supplies Industry; Technology Industry; United States; Pittsburgh; Pennsylvania
Mills, Karen, Caroline Elkins, Vikram Gandhi, Gabriella Elanbeck, and Zeke Gillman. "Pittsburgh: A Successful City?" Harvard Business School Case 322-080, March 2022. (Revised April 2023.)
- 2014
- Article
Paying It Forward: Generalized Reciprocity and the Limits of Generosity
By: Kurt Gray, Adrian F. Ward and Michael I. Norton
When people are the victims of greed or recipients of generosity, their first impulse is often to pay back that behavior in kind. What happens when people cannot reciprocate, but instead have the chance to be cruel or kind to someone entirely different—to pay it... View Details
Gray, Kurt, Adrian F. Ward, and Michael I. Norton. "Paying It Forward: Generalized Reciprocity and the Limits of Generosity." Journal of Experimental Psychology: General 143, no. 1 (February 2014): 247–254.
- 07 Mar 2007
- Research & Ideas
How Do You Value a “Free” Customer?
Businesspeople understand that not all customers are created equal—the 80-20 rule suggests that over time a small percentage of a company's customer base can generate a high percentage of its sales and profit. Models for calculating customer lifetime value are built on... View Details
- 2015
- Working Paper
Multi-Product Duopoly With Cross-Product Cost Interdependencies
By: Gary Biglaiser and Andrei Hagiu
Many multi-product firms incur a complexity fixed cost when offering different product lines in different quality tiers relative to the case when offering all products lines in the same quality tier (high or low). Such fixed costs create an interdependency between... View Details
Keywords: Multi-product Duopoly; Vertical Differentiation; Fixed Costs; Cost; Profit; Business Strategy; Duopoly and Oligopoly
Biglaiser, Gary, and Andrei Hagiu. "Multi-Product Duopoly With Cross-Product Cost Interdependencies." Harvard Business School Working Paper, No. 16-010, July 2015.
- September 2008
- Case
Samoa Tala
By: Joshua D. Coval, Bhagwan Chowdhry and Konark Saxena
This case examines currency risks faced by Microfinance Institutions, and evaluates strategies to hedge them in countries with pegged currency regimes and no derivatives markets. An MFI based in Western Samoa borrows in different currencies like the US dollar and the... View Details
Keywords: Cash Flow; Currency Exchange Rate; Microfinance; Risk and Uncertainty; Financial Services Industry; Samoa
Coval, Joshua D., Bhagwan Chowdhry, and Konark Saxena. "Samoa Tala." Harvard Business School Case 209-053, September 2008.
- March 2002 (Revised June 2005)
- Case
AOL Time Warner, Inc.
By: Stephen P. Bradley and Erin Sullivan
AOL Time Warner, which has been billed as the "first fully integrated media and communications company of the Internet Century," raises the fundamental question of how value will be created and captured by the merger of AOL and Time Warner. This case describes just how... View Details
Keywords: Mergers and Acquisitions; Internet and the Web; Value Creation; Organizational Culture; Consolidation; Change Management; Telecommunications Industry; Media and Broadcasting Industry; United States
Bradley, Stephen P., and Erin Sullivan. "AOL Time Warner, Inc." Harvard Business School Case 702-421, March 2002. (Revised June 2005.)