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- All HBS Web
(521)
- News (110)
- Research (350)
- Multimedia (9)
- Faculty Publications (249)
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- November 1999
- Case
Lucent Technologies: Optical Networking Group
By: Marco Iansiti and Barbara Feinberg
Set in June 1999, this case describes the development of a new platform product, the Wavestar OLS 400G, that responded both to a demand for greater "bandwidth" and aggressive competitors seeking to supply it. The 400G's development process took only 14 months and... View Details
Keywords: Customers; Operations; Product Development; Performance Improvement; Information Technology; Information Infrastructure
Iansiti, Marco, and Barbara Feinberg. "Lucent Technologies: Optical Networking Group." Harvard Business School Case 600-053, November 1999.
- June 2023
- Supplement
Clash of Two Giants Simulation Exercise
By: Feng Zhu and Marco Iansiti
Many markets are organized around platforms that connect consumers with complementary applications and services. These platforms are two-sided because both sides - consumers and those providing applications or services - need access to the same platform to interact. A... View Details
- 2023
- Working Paper
Local Shocks and Internal Migration: The Disparate Effects of Robots and Chinese Imports in the U.S.
By: Marius Faber, Andres Sarto and Marco Tabellini
Do local labor markets adjust to economic shocks through migration? In this paper, we study this question by focusing on two of the most important shocks that hit U.S. manufacturing since the 1990s: Chinese import competition and the introduction of industrial robots.... View Details
Faber, Marius, Andres Sarto, and Marco Tabellini. "Local Shocks and Internal Migration: The Disparate Effects of Robots and Chinese Imports in the U.S." Harvard Business School Working Paper, No. 20-071, December 2019. (Revised February 2023. Also appears in HBS Working Knowledge. Longer NBER working paper version here.)
- October 2021 (Revised May 2023)
- Case
Project Maji: Pricing Water in Sub-Saharan Africa
By: Elie Ofek, Marco Bertini, Dilyana Karadzhova Botha and Esel Çekin
In July 2021, Sunil Lalvani, founder and CEO of Project Maji, a non-profit social enterprise headquartered in Dubai that had already provided sustainable, clean water solutions to 80,000 people living in rural communities across Ghana and Kenya, was facing an important... View Details
Keywords: Water; Pricing; Nonprofit Organizations; Projects; Price; Decision Making; Social Enterprise; Growth and Development Strategy; Equity; Green Technology; Social and Collaborative Networks; Africa; Dubai
Ofek, Elie, Marco Bertini, Dilyana Karadzhova Botha, and Esel Çekin. "Project Maji: Pricing Water in Sub-Saharan Africa." Harvard Business School Case 522-043, October 2021. (Revised May 2023.)
- April 2014 (Revised March 2015)
- Case
GE and the Industrial Internet
By: Karim R. Lakhani, Marco Iansiti and Kerry Herman
CEO Jeff Immelt considers whether GE is moving fast enough on its new Industrial Internet initiative. The undertaking includes building out an Industrial Internet, connecting machines and devices, collecting their data and operations, and providing services to clients... View Details
Keywords: Technology; Operations Management; Strategy; Big Data; Business Analysis; Corporate Strategy; Digital Technology; Digital Innovation; General Management; General Strategy; Global Competitiveness; Global Strategy; Innovation; Innovation And Management; Industrial Internet; GE; Innovation and Invention; Information Technology; Analytics and Data Science; Air Transportation Industry; Energy Industry; Health Industry; Industrial Products Industry; Information Technology Industry; Manufacturing Industry; Medical Devices and Supplies Industry; Rail Industry; Transportation Industry; Technology Industry; North and Central America; Asia; Europe; Middle East; Latin America
Lakhani, Karim R., Marco Iansiti, and Kerry Herman. "GE and the Industrial Internet." Harvard Business School Case 614-032, April 2014. (Revised March 2015.)
- December 2007 (Revised July 2008)
- Case
General Mills (A)
By: Raymond V. Gilmartin, Marco Iansiti and Bianca Buccitelli
General Mills is an 80-year-old company that specializes in consumer foods such as cereal, snacks, baking, and dinner products. Although General Mills is, on the whole, a very successful company, they have, in the recent past, had to face challenges as a result the... View Details
Keywords: Competitive Strategy; Change Management; Cost Management; Problems and Challenges; Inflation and Deflation; Price; Consumer Products Industry; Manufacturing Industry
Gilmartin, Raymond V., Marco Iansiti, and Bianca Buccitelli. "General Mills (A)." Harvard Business School Case 608-004, December 2007. (Revised July 2008.)
- 2017
- Working Paper
The Importance of Unemployment Insurance as an Automatic Stabilizer
By: Marco Di Maggio and Amir Kermani
We assess the extent to which unemployment insurance (UI) serves as an automatic stabilizer to mitigate the economy's sensitivity to shocks. Using a local labor market design based on heterogeneity in local benefit generosity (defined as the percentage of household... View Details
Keywords: Unemployment Insurance; Automatic Stabilizers; Bartik Shocks; Aggregate Demand; System Shocks; Employment; Balance and Stability; Insurance; Volatility; Insurance Industry
Di Maggio, Marco, and Amir Kermani. "The Importance of Unemployment Insurance as an Automatic Stabilizer." Harvard Business School Working Paper, No. 17-009, July 2016. (Revise and Resubmit to American Economic Journal: Macroeconomics.)
- May 2020
- Article
How Quantitative Easing Works: Evidence on the Refinancing Channel
By: Marco Di Maggio, Amir Kermani and Christopher Palmer
We document the transmission of large-scale asset purchases by the Federal Reserve to the real economy using rich borrower-linked mortgage-market data and an identification strategy based on mortgage market segmentation. We find that central bank QE1 MBS purchases... View Details
Keywords: Monetary Policy; MBS; Quantitative Easing; LSAP; Refinancing; Deleveraging; HARP; GSE; Central Banking; Global Range; Financing and Loans; Credit; United States
Di Maggio, Marco, Amir Kermani, and Christopher Palmer. "How Quantitative Easing Works: Evidence on the Refinancing Channel." Review of Economic Studies 87, no. 3 (May 2020): 1498–1528.
- January 2013 (Revised April 2013)
- Case
Microsoft Server & Tools
By: Marco Iansiti and Alain Serels
In 2011, Microsoft's Server & Tools Business (STB) was large, fast growing and highly profitable on the strength of traditional packaged product lines led by the Windows Server operating system. Even as the current packaged business was performing exceptionally well,... View Details
Keywords: Technology; Computing; Enterprise Computing; Servers; Cloud Computing; Microsoft; Technology Evolution; Technological Innovation; Disruptive Innovation; Information Technology; Information Technology Industry
Iansiti, Marco, and Alain Serels. "Microsoft Server & Tools." Harvard Business School Case 613-031, January 2013. (Revised April 2013.)
- 2020
- Book
The Ends Game: How Smart Companies Stop Selling Products and Start Delivering Value
By: Marco Bertini and Oded Koenigsberg
How some firms are rewriting the rules of commerce by pursuing “ends”—actual outcomes—rather than selling “means”—their products and services. View Details
Bertini, Marco, and Oded Koenigsberg. The Ends Game: How Smart Companies Stop Selling Products and Start Delivering Value. Management on the Cutting Edge. Cambridge, MA: MIT Press, 2020.
- Article
Digital Ubiquity: How Connections, Sensors, and Data Are Revolutionizing Business
By: Marco Iansiti and Karim R. Lakhani
When Google bought Nest, a maker of digital thermostats, for $3.2 billion just a few months ago, it was a clear indication that digital transformation and connection are spreading across even the most traditional industrial segments and creating a staggering array of... View Details
Keywords: Digital Innovation; Digitization; Industrial Internet; Technological Innovation; Production; Competitive Strategy; Engineering; Aerospace Industry
Iansiti, Marco, and Karim R. Lakhani. "Digital Ubiquity: How Connections, Sensors, and Data Are Revolutionizing Business." Harvard Business Review 92, no. 11 (November 2014): 90–99.
- October 2019
- Article
Partial Deregulation and Competition: Effects on Risky Mortgage Origination
By: Marco Di Maggio, Amir Kermani and Sanket Korgaonkar
We exploit the OCC's preemption of national banks from state laws against predatory lending as a quasi-experiment to study the effect of deregulation and its interaction with competition on the supply of complex mortgages. Following the preemption ruling, national... View Details
Keywords: Great Recession; Subprime; Complex Mortgages; Credit Supply; Household Debt; Preemption Rule; Competition; Mortgages; Government Legislation; Credit; Financial Crisis
Di Maggio, Marco, Amir Kermani, and Sanket Korgaonkar. "Partial Deregulation and Competition: Effects on Risky Mortgage Origination." Management Science 65, no. 10 (October 2019).
- October 1996 (Revised April 1997)
- Case
Team New Zealand (A)
By: Marco Iansiti and Alan D. MacCormack
The case describes the development process used by Team New Zealand to design their two yachts for the 1995 America's Cup. During development, the team makes extensive use of simulation and physical prototyping to improve the initial design concept. As they approach... View Details
Keywords: Product Design; Design; Product Development; Sports; Ship Transportation; Research and Development; Situation or Environment; Decisions; Sports Industry; New Zealand
Iansiti, Marco, and Alan D. MacCormack. "Team New Zealand (A)." Harvard Business School Case 697-040, October 1996. (Revised April 1997.)
- June 2023
- Simulation
Clash of Two Giants: Competing in the Age of Platforms Simulation
By: Feng Zhu and Marco Iansiti
- 2007
- Working Paper
Dynamics of Platform Competition: Exploring the Role of Installed Base, Platform Quality and Consumer Expectations
By: Feng Zhu and Marco Iansiti
This paper seeks to answer three questions. First, which drives the success of a platform, installed base, platform quality or consumer expectations? Second, when does a monopoly emerge in a platform-based market? Finally, when is a platform-based market socially... View Details
Keywords: Price; Network Effects; Digital Platforms; Monopoly; Quality; Competitive Advantage; Digital Platforms
Zhu, Feng, and Marco Iansiti. "Dynamics of Platform Competition: Exploring the Role of Installed Base, Platform Quality and Consumer Expectations." Harvard Business School Working Paper, No. 08-031, November 2007.
- November 2019
- Article
The Relevance of Broker Networks for Information Diffusion in the Stock Market
By: Marco Di Maggio, Francesco Franzoni, Amir Kermani and Carlo Sommavilla
This paper shows that the network of relationships between brokers and institutional investors shapes information diffusion in the stock market. We exploit trade-level data to show that central brokers gather information by executing informed trades, which is then... View Details
Keywords: Broker Networks; Institutional Investors; Asset Prices; Business and Shareholder Relations; Institutional Investing; Information; Knowledge Dissemination; Financial Markets; Asset Pricing
Di Maggio, Marco, Francesco Franzoni, Amir Kermani, and Carlo Sommavilla. "The Relevance of Broker Networks for Information Diffusion in the Stock Market." Journal of Financial Economics 134, no. 2 (November 2019): 419–446.
- 2019
- Working Paper
Racial Heterogeneity and Local Government Finances: Evidence from the Great Migration
By: Marco Tabellini
Between 1915 and 1930, during the First Great Migration, more than 1.5 million African Americans migrated from the South to the North of the United States, altering the racial profile of several northern cities for the first time in American history. I exploit this... View Details
Keywords: Migration; Race; City; Financial Condition; Government and Politics; History; United States
Tabellini, Marco. "Racial Heterogeneity and Local Government Finances: Evidence from the Great Migration." Harvard Business School Working Paper, No. 19-006, July 2018. (Revised September 2019. Featured in Harvard Magazine.)
- March 8, 2016
- Article
Cognitive Fatigue Influences Students' Performance on Standardized Tests
By: Hans Henrik Sievertsen, F. Gino and Marco Piovesan
Using test data for all children attending Danish public schools between school years 2009–2010 and 2012–2013, we examine how the time of the test affects performance. Test time is determined by the weekly class schedule and computer availability at the school. We find... View Details
Sievertsen, Hans Henrik, F. Gino, and Marco Piovesan. "Cognitive Fatigue Influences Students' Performance on Standardized Tests." Proceedings of the National Academy of Sciences 113, no. 10 (March 8, 2016).
- Article
Entry into Platform-based Markets
By: Feng Zhu and Marco Iansiti
This paper examines the relative importance of platform quality, indirect network effects, and consumer expectations on the success of entrants in platform-based markets. We develop a theoretical model and find that an entrant's success depends on the strength of... View Details
Keywords: Platform-based Markets; Winnter-take-all; First-mover Advantage; Indirect Network Effects; Video Game Industry; Quality; Network Effects; Market Entry and Exit; Digital Platforms; Motion Pictures and Video Industry
Zhu, Feng, and Marco Iansiti. "Entry into Platform-based Markets." Strategic Management Journal 33, no. 1 (January 2012): 88–106.
- 2025
- Working Paper
Extractive Taxation and the French Revolution
By: Tommaso Giommoni, Gabriel Loumeau and Marco Tabellini
We study the fiscal determinants of the French Revolution, exploiting plausibly exogenous variation in the salt tax—a large source of royal revenues and one of the most extractive forms of taxation of the Ancien Régime. Implementing a Regression Discontinuity... View Details
Keywords: Extractive Taxation; Regime Change; French Revolution; State Capacity; Taxation; History; Government Administration; Attitudes; Public Opinion
Giommoni, Tommaso, Gabriel Loumeau, and Marco Tabellini. "Extractive Taxation and the French Revolution." Harvard Business School Working Paper, No. 25-047, April 2025. (Featured at VoxEU.)