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Show Results For
- All HBS Web
(242)
- News (50)
- Research (165)
- Events (5)
- Multimedia (1)
- Faculty Publications (87)
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- Article
Narrow Networks on the Health Insurance Marketplaces: Prevalence, Pricing, and the Cost of Network Breadth
By: Leemore S. Dafny, Igal Hendel, Victoria Marone and Christopher Ody
Anecdotal reports and systematic research highlight the prevalence of narrow-network plans on the Affordable Care Act’s health insurance Marketplaces. At the same time, Marketplace premiums in the period 2014–2016 were much lower than projected by the Congressional... View Details
Dafny, Leemore S., Igal Hendel, Victoria Marone, and Christopher Ody. "Narrow Networks on the Health Insurance Marketplaces: Prevalence, Pricing, and the Cost of Network Breadth." Health Affairs 36, no. 9 (September 2017).
- June 2005 (Revised July 2006)
- Case
fortu PowerCell GmbH
By: Michael J. Roberts, William A. Sahlman, Vincent Dessain, Monika Stachowiak and Anders Sjoman
Describes the financing, strategy, and growth decisions facing fortu, a young German battery company. The company is contemplating a facility in East Germany, where state subsidies make the finances appealing. A sudden offer to license fortu technology for application... View Details
Keywords: Technological Innovation; Financing and Loans; Business Startups; Growth and Development Strategy; Battery Industry; Germany
Roberts, Michael J., William A. Sahlman, Vincent Dessain, Monika Stachowiak, and Anders Sjoman. "fortu PowerCell GmbH." Harvard Business School Case 805-159, June 2005. (Revised July 2006.)
- June 2014 (Revised April 2015)
- Background Note
Affordable Housing and Low-Income Housing Tax Credits in the United States
By: Arthur I Segel and Nicolas P. Retsinas
This background note explores the basic themes surrounding the government's approach to providing housing: namely its shift from a supplier and builder of affordable housing to an approach that focuses on demand-side solutions and indirect subsidies to private... View Details
Segel, Arthur I., and Nicolas P. Retsinas. "Affordable Housing and Low-Income Housing Tax Credits in the United States." Harvard Business School Background Note 214-107, June 2014. (Revised April 2015.)
- 2012
- Article
Patent Policy, Patent Pools, and the Accumulation of Claims in Sequential Innovation
By: Gaston Llanes and Stefano Trento
We present a dynamic model where the accumulation of patents generates an increasing number of claims on sequential innovation. We compare innovation activity under three regimes—patents, no-patents, and patent pools—and find that none of them can reach the first best.... View Details
Llanes, Gaston, and Stefano Trento. "Patent Policy, Patent Pools, and the Accumulation of Claims in Sequential Innovation." Economic Theory 50, no. 3 (August 2012): 703–725.
- 15 May 2009
- Working Paper Summaries
Money or Knowledge? What Drives Demand for Financial Services in Emerging Markets?
- August 2020 (Revised November 2020)
- Case
Gogoro: From Electric Scooter to Energy Platform
By: Tarun Khanna and Billy Chan
The founder of Gogoro had always wanted to revolutionize the energy market from day one since he started the electric scooter business that featured an innovative battery swapping technology. Over the course of five years, he had developed a premium line of electric... View Details
Keywords: Entrepreneurship; Information Technology; Energy; Organizational Change and Adaptation; Strategy; Taiwan
Khanna, Tarun, and Billy Chan. "Gogoro: From Electric Scooter to Energy Platform." Harvard Business School Case 721-379, August 2020. (Revised November 2020.)
- August 2025
- Article
Revenue Collapses and the Consumption of Small Business Owners in the COVID-19 Pandemic
By: Olivia S. Kim, Jonathan A. Parker and Antoinette Schoar
Using financial account data linking small businesses to their owner households, we examine how business owners’ consumption responded to changes in business revenues during the COVID-19 crisis. In the first two months following the National Emergency, business... View Details
Kim, Olivia S., Jonathan A. Parker, and Antoinette Schoar. "Revenue Collapses and the Consumption of Small Business Owners in the COVID-19 Pandemic." Art. 104079. Journal of Financial Economics 170 (August 2025).
- 2024
- Working Paper
Do Collusive Norms Maximize Profits? Evidence From a Vegetable Market Experiment in India
By: Abhijit Banerjee, Greg Fischer, Dean Karlan, Matt Lowe and Benjamin N. Roth
Social norms have been shown to facilitate anti-competitive behavior in decentralized markets.
We demonstrate that these norms can also reduce aggregate profits. First, we present
descriptive evidence of competition-suppressing norms in Kolkata vegetable markets.... View Details
Banerjee, Abhijit, Greg Fischer, Dean Karlan, Matt Lowe, and Benjamin N. Roth. "Do Collusive Norms Maximize Profits? Evidence From a Vegetable Market Experiment in India." Harvard Business School Working Paper, No. 23-006, July 2022. (Revise and Resubmit, AEJ: Applied.)
- December 2002 (Revised May 2003)
- Case
Fonterra: Taking on the Dairy World
By: Ray A. Goldberg and Jose M. M. Porraz
Fonterra was a cooperatively owned dairy company--New Zealand's largest company and the world's largest exporter of dairy products. To maintain its leadership, Fonterra had to respond to increased competition, new consumer tastes, consolidation of its customers, and... View Details
Keywords: Cooperative Ownership; Animal-Based Agribusiness; Trade; Global Strategy; Food; Business Model; Developing Countries and Economies; Competitive Strategy; Demand and Consumers; Agriculture and Agribusiness Industry; Food and Beverage Industry; New Zealand
Goldberg, Ray A., and Jose M. M. Porraz. "Fonterra: Taking on the Dairy World." Harvard Business School Case 903-413, December 2002. (Revised May 2003.)
- Article
Optimizing Organic Waste to Energy Operations
By: Baris Ata, Deishin Lee and Mustafa H. Tongarlak
A waste-to-energy firm that recycles organic waste with energy recovery performs two environmentally beneficial functions: it diverts waste from landfill and it produces renewable energy. At the same time, the waste-to-energy firm serves and collects revenue from two... View Details
Keywords: Business Ventures; Energy Generation; Renewable Energy; Revenue; Customers; Strategy; Corporate Governance; Wastes and Waste Processing; Environmental Sustainability; Governing Rules, Regulations, and Reforms; Cost Management; Urban Scope
Ata, Baris, Deishin Lee, and Mustafa H. Tongarlak. "Optimizing Organic Waste to Energy Operations." Manufacturing & Service Operations Management 14, no. 2 (Spring 2012): 231–244.
- April 2000 (Revised August 2002)
- Case
The Holland House
By: William J. Poorvu and Michael A. Everett-Lane
In November 1993, Edward Geffner, executive director of Project Renewal, Inc. (PRI), is proposing that his not-for-profit firm develop Holland House at 351 West 42nd Street in New York City into a single- room occupancy hotel for homeless people. He has put together a... View Details
Keywords: Buildings and Facilities; Nonprofit Organizations; Social Entrepreneurship; Welfare; Construction; Poverty; Property; Real Estate Industry; Construction Industry; New York (city, NY)
Poorvu, William J., and Michael A. Everett-Lane. "The Holland House." Harvard Business School Case 800-362, April 2000. (Revised August 2002.)
- 2025
- Working Paper
Tax Elasticities of Top Donors: Evidence from Family Foundations
High net-worth donors who give through a family foundation or donor-advised fund constitute the fastest growing segment of charitable giving in the United States. Using a novel database of foundation tax filings, I document facts about top donors, estimate how they... View Details
Essig Aberg, Simon. "Tax Elasticities of Top Donors: Evidence from Family Foundations." Working Paper, June 2025.
- Article
Transition to Clean Technology
By: Daron Acemoglu, Ufuk Akcigit, Douglas Hanley and William R. Kerr
We develop a microeconomic model of endogenous growth where clean and dirty technologies compete in production and innovation, in the sense that research can be directed to either clean or dirty technologies. If dirty technologies are more advanced to start with, the... View Details
Keywords: Technological Innovation; Entrepreneurship; Environmental Sustainability; Green Technology Industry
Acemoglu, Daron, Ufuk Akcigit, Douglas Hanley, and William R. Kerr. "Transition to Clean Technology." Special Issue on Climate Change and the Economy. Journal of Political Economy 124, no. 2 (February 2016): 52–104.
- June 2016
- Article
Technology Choice and Capacity Portfolios under Emissions Regulation
By: David Drake, Paul R. Kleindorfer and Luk N. Van Wassenhove
We study the impact of emissions tax and emissions cap-and-trade regulation on a firm's technology choice and capacity decisions. We show that emissions price uncertainty under cap-and-trade results in greater expected profit than a constant emissions price under an... View Details
Keywords: Technology Management; Management; Technology; Service Operations; Environmental Sustainability
Drake, David, Paul R. Kleindorfer, and Luk N. Van Wassenhove. "Technology Choice and Capacity Portfolios under Emissions Regulation." Production and Operations Management 25, no. 6 (June 2016): 1006–1025. (Runner up, Wickham Skinner Award for the best paper published in Production and Operations Management during 2016.)
- September 2009 (Revised January 2012)
- Case
Suntech Power
Suntech, a Chinese manufacturer of photovoltaic cells and solar panels, is the third largest solar company in the world. About 90 percent of its sales have been in Europe—especially Germany and Spain. But with its new "pluto" technology, and with new governmental... View Details
Keywords: Solar Power; Renewable Energy; Globalized Markets and Industries; Competition; Market Entry and Exit; Business and Government Relations; Expansion; Strategy; Energy Industry; Green Technology Industry; China
Vietor, Richard H.K. "Suntech Power." Harvard Business School Case 710-013, September 2009. (Revised January 2012.)
- Research Summary
Information, Coordination and the Industrialisation of Countries (with Markus Reisinger)
The industrialization process of a country is often plagued by a failure to coordinate firms' investment decisions. Using the Global Games approach we can solve this coordination problem and eliminate the problem of multiple equilibria. We show how appropriate... View Details
- November 2019 (Revised April 2021)
- Technical Note
Rechargeable Batteries, 2017: Gigafactory Wars in the Offing?
By: John R. Wells and Benjamin Weinstock
In 2017, the global market for rechargeable lithium-ion (Li-ion) batteries was 126 gigawatt-hours (GWh) valued at $37 billion, growing by $10 billion in two years. Once confined largely to consumer electronics and appliances, the rapid increase in demand was spurred by... View Details
Keywords: Batteries; Rechargeable Batteries; Lithium-ion; Lithium-ion Batteries; Electric Vehicle; Electric Vehicles; Energy Entrepreneurship; Energy Markets; Energy Storage; Battery; Demand Uncertainty; Demand Forecasting; Supply ＆ Demand; Supply And Demand; Capacity Planning; Tesla; Technological And Scientific Innovation; Technological Change; Technology Change; Technology Commercialization; Policy Change; Subsidies; Power/Energy; Power Grid; Energy Policy; Developing Markets; Alevo; Samsung; LG Chem; CATL; Northvolt; General Motors; Energy; Entrepreneurship; Technological Innovation; Commercialization; Policy; Demand and Consumers; Forecasting and Prediction; Supply and Industry; Emerging Markets; Competitive Strategy; China
Wells, John R., and Benjamin Weinstock. "Rechargeable Batteries, 2017: Gigafactory Wars in the Offing?" Harvard Business School Technical Note 720-371, November 2019. (Revised April 2021.)
- Summer, 2018
- Article
Innovation, Reallocation and Growth
By: Daron Acemoglu, Ufuk Akcigit, Harun Alp, Nicholas Bloom and William R. Kerr
We build a model of firm-level innovation, productivity growth, and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the... View Details
Keywords: Entry; Growth; Industrial Policy; Innovation; R＆D; Reallocation; Selection; Market Entry and Exit; Growth and Development; Innovation and Invention; Research and Development; Performance Productivity
Acemoglu, Daron, Ufuk Akcigit, Harun Alp, Nicholas Bloom, and William R. Kerr. "Innovation, Reallocation and Growth." American Economic Review 108, no. 11 (November 2018): 3450–3491.
- Article
Tax Policy and the Efficiency of U.S. Direct Investment Abroad
By: Mihir A. Desai, C. Fritz Foley and James R. Hines Jr.
Deferral of U.S. taxes on foreign source income is commonly characterized as a subsidy to foreign investment, as reflected in its inclusion among "tax expenditures" and occasional calls for its repeal. This paper analyzes the extent to which tax deferral and other... View Details
Keywords: International Taxation; Dynamic Efficiency; Deferral; Policy; Taxation; Performance Efficiency; Foreign Direct Investment; Investment Funds; Investment Return; Business Earnings; Equity; Financing and Loans; Cash Flow; Capital; United States
Desai, Mihir A., C. Fritz Foley, and James R. Hines Jr. "Tax Policy and the Efficiency of U.S. Direct Investment Abroad." National Tax Journal 64, no. 4 (December 2011): 1055–1082.
- December 2011
- Article
Prices or Knowledge? What Drives Demand for Financial Services in Emerging Markets?
By: Shawn A. Cole, Thomas Sampson and Bilal Zia
Financial development is critical for growth, but its micro-determinants are not well understood. We test leading theories of low demand for financial services in emerging markets, combining novel survey evidence from Indonesia and India with a field experiment. We... View Details
Keywords: Price; Knowledge; Demand and Consumers; Emerging Markets; Banks and Banking; Education; Finance; Behavior; Service Operations; Financial Services Industry; India; Indonesia
Cole, Shawn A., Thomas Sampson, and Bilal Zia. "Prices or Knowledge? What Drives Demand for Financial Services in Emerging Markets?" Journal of Finance 66, no. 6 (December 2011): 1933–1967.