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- All HBS Web (2,070)
- Faculty Publications (628)
- Research Summary
Selective Attention and Learning
What do we notice, and how does this affect what we learn? Standard economic models of learning ignore memory by assuming that we remember everything. But there is growing recognition that memory is imperfect. Further, memory imperfections do not stem from limited... View Details
- December 2000
- Background Note
Internet Access Providers
By: Thomas R. Eisenmann and Daniel Green
Describes the Internet access provider business model. First, it defines the model and presents different ways to categorize access providers. Second, it offers a summary of the various ways that Internet access providers create value for their customers. Next, it... View Details
Eisenmann, Thomas R., and Daniel Green. "Internet Access Providers." Harvard Business School Background Note 801-304, December 2000.
- November 2021 (Revised December 2022)
- Case
Babban Gona: Great Farm
By: Kristin Fabbe, Tarun Khanna, Caroline M. Elkins, Zeke Gillman, Eleni Kyrkopoulou and Thomaz Teodorovicz
In 2020, Babban Gona was one of the world’s largest farming operations with over 140,000 acres of maize farms, an area over ten times as large as Manhattan, and over 80,000 member-farmers in Nigeria. According to the company, the average Nigerian farmer’s net income... View Details
Keywords: Growth and Development Strategy; Entrepreneurship; Business and Stakeholder Relations; Value Creation; Agribusiness; Capital Budgeting; Agriculture and Agribusiness Industry; Nigeria; Africa
Fabbe, Kristin, Tarun Khanna, Caroline M. Elkins, Zeke Gillman, Eleni Kyrkopoulou, and Thomaz Teodorovicz. "Babban Gona: Great Farm." Harvard Business School Case 722-027, November 2021. (Revised December 2022.)
- 17 May 2010
- Research & Ideas
What Brazil Teaches About Investor Protection
today: the companies themselves. During that period, investor protection laws in Brazil were relatively weak—yet investors bought equity on a "massive scale," according to Harvard Business School professor Aldo Musacchio, bankrolling corporate growth and... View Details
- 2003
- Conference Paper
Follow the Money: What Really Drives Technology Innovation in Construction
By: John D. Macomber
Technology enthusiasts, academics, and software companies remain concerned about the slow pace of innovation in the construction industry. Tools are widely available that seem to provide eminently sensible and clearly apparent improvement to the process of design and... View Details
Keywords: Buildings and Facilities; Technological Innovation; Construction; Design; Performance Improvement; Motivation and Incentives; Knowledge Management; Adoption; Business Model; Capital Structure; Supply Chain
Macomber, John D. "Follow the Money: What Really Drives Technology Innovation in Construction." Paper presented at the American Society of Civil Engineers, 2003.
- 2009
- Working Paper
Breakthrough Inventions and Migrating Clusters of Innovation
By: William R. Kerr
We investigate the speed at which clusters of invention for a technology migrate spatially following breakthrough inventions. We identify breakthrough inventions as the top one percent of US inventions for a technology during 1975-1984 in terms of subsequent citations.... View Details
Keywords: Geographic Location; Immigration; Disruptive Innovation; Technological Innovation; Patents; Industry Clusters; United States
Kerr, William R. "Breakthrough Inventions and Migrating Clusters of Innovation." Harvard Business School Working Paper, No. 10-020, September 2009.
Feng Zhu
Feng Zhu is the MBA Class of 1958 Professor of Business Administration at Harvard Business School, where he leads the Platform Lab within the Digital, Data, and Design Institute, co-chairs the Harvard Business Analytics Program, and serves as the course head for the... View Details
- 18 Jul 2024
- Blog Post
Building the Future: An HBS Alumna’s Journey in Sustainable Infrastructure Investment
joined an investment bank where I gained valuable experience in financial analysis and then transitioned to a pan-African infrastructure fund. I was deeply involved in the investment lifecycle, from due diligence and financial modeling to... View Details
- March–April 2019
- Article
The Dual-Purpose Playbook
By: Julie Battilana, Anne-Claire Pache, Metin Sengul and Marissa Kimsey
Corporations are being pushed to dial down their single-minded pursuit of financial gain and pay closer attention to their impact on employees, customers, communities, and the environment. But changing an organization’s DNA may require upending the existing business... View Details
Keywords: Hybrid Organizing; Business And Society; Organizational Change and Adaptation; Business Model; Goals and Objectives; Organizational Structure; Leadership
Battilana, Julie, Anne-Claire Pache, Metin Sengul, and Marissa Kimsey. "The Dual-Purpose Playbook." Harvard Business Review 97, no. 4 (March–April 2019): 124–133.
- 2009
- Working Paper
The End of Chimerica
By: Niall Ferguson and Moritz Schularick
For the better part of the past decade, the world economy has been dominated by a world economic order that combined Chinese export-led development with US over-consumption. The financial crisis of 2007-2009 likely marks the beginning of the end of the Chimerican... View Details
Keywords: History; Globalized Economies and Regions; Currency Exchange Rate; Economic Growth; Trade; Financial Crisis; China; United States
Ferguson, Niall, and Moritz Schularick. "The End of Chimerica." Harvard Business School Working Paper, No. 10-037, November 2009.
- August 2023
- Article
Can Security Design Foster Household Risk-Taking?
By: Laurent Calvet, Claire Célérier, Paolo Sodini and Boris Vallée
This paper shows that securities with a non-linear payoff design can foster household risk-taking. We demonstrate this effect empirically by exploiting the introduction of capital guarantee products in Sweden from 2002 to 2007. The fast and broad adoption of these... View Details
Keywords: Financial Innovation; Household Finance; Structured Products; Stock Market Participation; Finance; Innovation and Invention; Household; Personal Finance; Risk and Uncertainty; Behavior; Market Participation
Calvet, Laurent, Claire Célérier, Paolo Sodini, and Boris Vallée. "Can Security Design Foster Household Risk-Taking?" Journal of Finance 78, no. 4 (August 2023): 1917–1966.
- 2024
- Chapter
The Private Economy Under Party-State Capitalism
By: Margaret M. Pearson, Meg Rithmire and Kellee S. Tsai
This chapter addresses the evolution of China’s approach to the private sector from the early reform era until the beginning of Xi Jinping’s third term. It argues that China has evolved from a familiar form of state capitalism, in which economic growth is the primary... View Details
Keywords: Government Administration; International Relations; Economic Growth; Economic Sectors; Economic Systems; China
Pearson, Margaret M., Meg Rithmire, and Kellee S. Tsai. "The Private Economy Under Party-State Capitalism." Chap. 3 in Chinese Politics: The Xi Jinping Difference. 2nd edition edited by Stanley Rosen and Daniel C. Lynch, 67–82. Routledge, 2024.
- March 2018 (Revised August 2020)
- Case
Alaska Airlines: Empowering Frontline Workers to Make It Right
By: Ranjay Gulati, Andrew O'Connell and Caroline de Lacvivier
This case documents the ongoing efforts by Alaska Airlines to enhance its efforts to become more customer centric by empowering its employees using a service framework. It explores how the airline starts with a completely hands-off approach to empowerment in which... View Details
Keywords: Employee Empowerment; Customer Focus and Relationships; Employees; Service Delivery; Organizational Culture; Integration; Air Transportation Industry
Gulati, Ranjay, Andrew O'Connell, and Caroline de Lacvivier. "Alaska Airlines: Empowering Frontline Workers to Make It Right." Harvard Business School Case 418-063, March 2018. (Revised August 2020.)
- January 2018
- Supplement
Jumia Nigeria PowerPoint Supplement
Founded in 2012, Jumia Nigeria, a startup effort by Germany-based Rocket Internet, aimed to become an African Amazon. The company entered the nascent market and immediately enjoyed an uptick in consumer spending fueled by the strength of Nigeria’s oil-based economy. By... View Details
- January 2018 (Revised March 2019)
- Teaching Note
Jumia Nigeria: from Retail to Marketplace (A) and (B)
By: Ramon Casadesus-Masanell and Karen Elterman
Founded in 2012, Jumia Nigeria, a startup effort by Germany-based Rocket Internet, aimed to become an African Amazon. The company entered the nascent market and immediately enjoyed an uptick in consumer spending fueled by the strength of Nigeria’s oil-based economy. By... View Details
- February 2015
- Article
The Great Recession, Insurance Mandates, and the Use of In Vitro Fertilization Services in the United States
By: Sorapop Kiatpongsan, Robert S. Huckman and Mark D. Hornstein
Objective: To investigate the relationship between economic activities, insurance mandates, and the use of in vitro fertilization (IVF) in the United States.
Design: We examined the correlation between the coincident index (a proxy for overall economic... View Details
Design: We examined the correlation between the coincident index (a proxy for overall economic... View Details
Keywords: Macroeconomics; Recessions; Medical Care; In Vitro Fertilization; Health Industry; United States
Kiatpongsan, Sorapop, Robert S. Huckman, and Mark D. Hornstein. "The Great Recession, Insurance Mandates, and the Use of In Vitro Fertilization Services in the United States." Fertility and Sterility 103, no. 2 (February 2015): 448–454.
- 2013
- Working Paper
Asset Price Dynamics with Limited Attention
By: Mark Seasholes, Terrence Hendershott, Sunny X. Li and Albert J. Menkveld
This paper studies the role that limited attention and inefficient risk sharing play in stock price deviations from the efficient prices at horizons from one day to one month. We expand the Due (2010) slow-moving capital model to analyze multiple groups of investors... View Details
Keywords: Transitory Volatility; Limited Attention; Individuals; Market Makers; Asset Pricing; Financial Markets; Volatility
Seasholes, Mark, Terrence Hendershott, Sunny X. Li, and Albert J. Menkveld. "Asset Price Dynamics with Limited Attention." Working Paper, November 2013. (2nd round at the Journal of Finance.)
- June 2025
- Article
Collusion in Brokered Markets
By: John William Hatfield, Scott Duke Kominers and Richard Lowery
High commissions in the U.S. residential real estate agency market present a puzzle for economic theory because brokerage is not a concentrated industry. We model brokered markets as a game in which agents post prices for customers and then choose which other agents to... View Details
Keywords: Real Estate Agents; Real Estate; Realtors; Broker Networks; Brokerage; Brokerage Commissions; ＂Brokerage Industry; Brokered Markets; Brokering; Brokers; Industrial Organization; Repeated Game Framework; ＂Repeated Games＂; Collusion; Antitrust; Microeconomics; Market Design; Theory; Game Theory; Real Estate Industry
Hatfield, John William, Scott Duke Kominers, and Richard Lowery. "Collusion in Brokered Markets." Journal of Finance 80, no. 3 (June 2025): 1417–1462.
- May 2014
- Article
Representative Evidence on Lying Costs
By: Johannes Abeler, Anke Becker and Armin Falk
A central assumption in economics is that people misreport their private information if this is to their material benefit. Several recent models depart from this assumption and posit that some people do not lie or at least do not lie maximally. These models invoke many... View Details
Keywords: Private Information; Lying Costs; Tax Morale; Representative Experiment; Information; Microeconomics; Taxation; Behavior
Abeler, Johannes, Anke Becker, and Armin Falk. "Representative Evidence on Lying Costs." Journal of Public Economics 113 (May 2014): 96–104.
- 2014
- Discussion Paper
Do High Feed-in Tariffs for Solar PV Panels Hinder Competition (Japanese)
By: Koji Nomura and Tomomichi Amano
In Japan, feed-in-tariffs (FIT) are a key policy tool that has been deployed to produce the mass diffusion of photovoltaices (PV). In this study, we argue that this policy is unlikely to induce sustainable economic growth, which some use as a justification for FIT. We... View Details
Nomura, Koji, and Tomomichi Amano. "Do High Feed-in Tariffs for Solar PV Panels Hinder Competition (Japanese)." Development Bank of Japan, Research Center on Global Warming Discussion Paper Series, no. 49, April 2014.