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- Faculty Publications (174)
Show Results For
- All HBS Web
(405)
- News (82)
- Research (280)
- Multimedia (4)
- Faculty Publications (174)
- 2021
- Working Paper
Invisible Primes: Fintech Lending with Alternative Data
By: Marco Di Maggio, Dimuthu Ratnadiwakara and Don Carmichael
We exploit anonymized administrative data provided by a major fintech platform to investigate whether using alternative data to assess borrowers’ creditworthiness results in broader credit access. Comparing actual outcomes of the fintech platform’s model to... View Details
Keywords: Fintech Lending; Alternative Data; Machine Learning; Algorithm Bias; Finance; Information Technology; Financing and Loans; Analytics and Data Science; Credit
Di Maggio, Marco, Dimuthu Ratnadiwakara, and Don Carmichael. "Invisible Primes: Fintech Lending with Alternative Data." Harvard Business School Working Paper, No. 22-024, October 2021.
- 12 Feb 2019
- First Look
New Research and Ideas, February 12, 2019
that hold back progress in resource mobilization research. We then propose a path ahead for future research guided by two overarching goals. First, we advocate for a process perspective, focusing attention on how an individual actor’s... View Details
Keywords: Dina Gerdeman
- January 2023
- Article
Racial Diversity and Racial Policy Preferences: The Great Migration and Civil Rights
By: Alvaro Calderon, Vasiliki Fouka and Marco Tabellini
Between 1940 and 1970, more than 4 million African Americans moved from the South to the North of the United States, during the Second Great Migration. This same period witnessed the struggle and eventual success of the civil rights movement in ending institutionalized... View Details
Keywords: Civil Rights; Great Migration; History; Race; Rights; Prejudice and Bias; Government Legislation
Calderon, Alvaro, Vasiliki Fouka, and Marco Tabellini. "Racial Diversity and Racial Policy Preferences: The Great Migration and Civil Rights." Review of Economic Studies 90, no. 1 (January 2023): 165–200. (Available also from VOX, Broadstreet, and VOX EU.)
- 5 Nov 2005 - 8 Nov 2005
- Conference Presentation
New Perspectives on the Business Value of IT
By: David James Brunner, Bradley R. Staats and Marco Iansiti
We sought to unravel the link between IT investment and firm performance by examining deployed IT functionality (ITF). First, ITF appears to be an important link in the IT spend to business value chain. Second, ITF does not seem to be a commodity and has... View Details
- Working Paper
Index Rebalancing and Stock Market Composition: Do Indexes Time the Market?
By: Marco Sammon and John J. Shim
Value-weighted indexes must rebalance in response to stock market composition changes, e.g., issuance, buybacks, and IPOs. In doing so, existing index funds implicitly engage in market timing. Index funds’ long-short rebalancing portfolios have a -3.5% annual return... View Details
Sammon, Marco, and John J. Shim. "Index Rebalancing and Stock Market Composition: Do Indexes Time the Market?" SSRN Working Paper Series, No. 5080459, May 2025.
- Article
The Unintended Consequences of the Zero Lower Bound Policy
By: Marco Di Maggio and Marcin Kacperczyk
We study the impact of the zero lower bound interest rate policy on the industrial organization of the U.S. money fund industry. We find that in response to policies that maintain low interest rates, money funds change their product offerings by investing in riskier... View Details
Keywords: Quantitative Easing; Money Market Funds; Reaching For Yield; Risk Taking; Fund Exit; Unconventional Monetary Policy; Investment Funds; Interest Rates
Di Maggio, Marco, and Marcin Kacperczyk. "The Unintended Consequences of the Zero Lower Bound Policy." Journal of Financial Economics 123, no. 1 (January 2017): 59–80.
- October 22, 2012
- Article
Interest Rate Pass-Through: Mortgage Rates, Household Consumption, and Voluntary Deleveraging
By: Marco Di Maggio, Amir Kermani, Benjamin Keys, Tomasz Piskorski, Rodney Ramcharan, Amit Seru and Vincent Yao
Exploiting variation in the timing of resets of adjustable-rate mortgages (ARMs), we find that a sizable decline in mortgage payments (up to 50%) induces a significant increase in car purchases (up to 35%). This effect is attenuated by voluntary deleveraging. Borrowers... View Details
Keywords: Monetary Policy; Household Finance; Refinancing; Contract Rigidities; Debt Rigidity; MPC; Deleveraging; Personal Finance; Household; Policy; Borrowing and Debt; Macroeconomics
Di Maggio, Marco, Amir Kermani, Benjamin Keys, Tomasz Piskorski, Rodney Ramcharan, Amit Seru, and Vincent Yao. "Interest Rate Pass-Through: Mortgage Rates, Household Consumption, and Voluntary Deleveraging." American Economic Review 107, no. 11 (November 2017): 3550–3588. (Note: this is a combined version of working papers Monetary Policy Pass-Through: Household Consumption and Voluntary Deleveraging by M. Di Maggio, A. Kermani and R. Ramcharan previously Revise & Resubmit at American Economic Review and Mortgage Rates, Household Balance Sheets, and the Real Economy by B. Keys, T. Piskorski, A. Seru, and V. Yao previously Revise and Resubmit at Journal of Political Economy.)
- Article
The Future of Economic, Business, and Social History
By: G. Jones, Marco H.D. van Leeuwen and Stephen Broadberry
Three leading scholars in the fields of business, economic, and social history review the current state of these disciplines and reflect on their future trajectory. Geoffrey Jones reviews the development of business history since its birth at the Harvard Business... View Details
Keywords: Economic History; Business History; History; Asia; Africa; Europe; Latin America; North and Central America
Jones, G., Marco H.D. van Leeuwen, and Stephen Broadberry. "The Future of Economic, Business, and Social History." Scandinavian Economic History Review 60, no. 3 (2012): 225–253.
- 2025
- Working Paper
Threat and Assimilation: Evidence from Refugees in Germany
By: Philipp Jaschke, Sulin Sardoschau and Marco Tabellini
This paper studies the effects of local threat on the cultural assimilation and economic integration of refugees, exploiting plausibly exogenous variation in their allocation across German regions between 2013 and 2016. We use representative survey data and... View Details
Keywords: Assimilation; Threat Hypothesis; Migration; Cultural Change; Refugees; Culture; Identity; Germany
Jaschke, Philipp, Sulin Sardoschau, and Marco Tabellini. "Threat and Assimilation: Evidence from Refugees in Germany." Harvard Business School Working Paper, No. 22-043, December 2021. (Revised January 2025. Revise and resubmit at the Economic Journal. Also available from NBER, and featured on Le Monde.)
- August, 2022
- Article
Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States
By: Vasiliki Fouka and Marco Tabellini
How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of... View Details
Keywords: In-group-out-group Relations; Ingroup-outgroup Relations; Immigration; Race; Relationships; United States
Fouka, Vasiliki, and Marco Tabellini. "Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States." American Political Science Review 116, no. 3 (August, 2022): 968–984. (Featured in the Boston Globe, Washington Post, and HBS Working Knowledge.)
- 2021
- Working Paper
Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the U.S.
By: Vasiliki Fouka and Marco Tabellini
How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of... View Details
Keywords: In-group-out-group Relations; Immigration; Race; Attitudes; Boundaries; Prejudice and Bias
Fouka, Vasiliki, and Marco Tabellini. "Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the U.S." Harvard Business School Working Paper, No. 20-100, March 2020. (Accepted at American Political Science Review. Revised June 2021.)
- August 2021
- Case
Orchadio's First Two Split Experiments
By: Iavor I. Bojinov, Marco Iansiti and David Lane
Orchadio, a direct-to-consumer grocery business, needs to conduct its first two A/B tests—one to evaluate the effectiveness and functioning of its newly redesigned website, and one to market-test four versions of a new banner for the website. To do so, it will rely on... View Details
Keywords: Information Management; Technological Innovation; Knowledge Use and Leverage; Resource Allocation; Marketing; Measurement and Metrics; Customization and Personalization; Information Technology; Internet and the Web; Digital Platforms; Information Technology Industry; Food and Beverage Industry
Bojinov, Iavor I., Marco Iansiti, and David Lane. "Orchadio's First Two Split Experiments." Harvard Business School Case 622-015, August 2021.
- September 2015
- Case
Deflategate and the National Football League
By: Marco Iansiti and Christine Snively
On January 18, 2015, the New England Patriots faced the Indianapolis Colts in the AFC Championship game. In the second quarter, a Colts player intercepted a pass from Patriots quarterback Tom Brady. Colts equipment personnel alerted NFL officials that the ball's air... View Details
Keywords: ＂Deflategate＂; Analytics; National Football League; NFLPA; Roger Goodell; Tom Brady; Operations; United States
Iansiti, Marco, and Christine Snively. "Deflategate and the National Football League." Harvard Business School Case 616-008, September 2015.
- October 2021
- Article
Fintech Borrowers: Lax Screening or Cream-Skimming?
By: Marco Di Maggio and Vincent Yao
Personal credit is the fastest-growing segment of the consumer credit market, mainly driven by fintech lenders' staggering expansion. We study this market using a unique individual-level data, which covers most of the top fintech and traditional lenders, and provides... View Details
Keywords: Fintech; Lending; Consumer Finance; Credit History; Self-control; Present Bias; Financing and Loans; Personal Finance; Credit; Behavior
Di Maggio, Marco, and Vincent Yao. "Fintech Borrowers: Lax Screening or Cream-Skimming?" Review of Financial Studies 34, no. 10 (October 2021): 4565–4618. (LEAD ARTICLE and EDITOR'S CHOICE.)
- November 2019 (Revised June 2020)
- Case
Indigo Agriculture: Harnessing Nature
By: Marco Iansiti, Michael W. Toffel and James Barnett
Indigo Agriculture used a digital-enabled research and development (R&D) process to launch its initial product, microbial coatings for agricultural seeds, which increase crop yields while reducing the need for fertilizers. In doing so, the company developed direct... View Details
Keywords: Carbon Sequestration; Operations; Supply Chain; Social Enterprise; Product Development; Distribution Channels; Business Strategy; Digital Platforms; Environmental Sustainability; Science-Based Business; Climate Change; Agriculture and Agribusiness Industry; Green Technology Industry; United States; Massachusetts
Iansiti, Marco, Michael W. Toffel, and James Barnett. "Indigo Agriculture: Harnessing Nature." Harvard Business School Case 620-024, November 2019. (Revised June 2020.)
- Article
The Information Technology Ecosystem: Structure, Health, and Performance
By: Marco Iansiti and Gregory L. Richards
A number of modern industries are organized as complex networks of firms whose integrated efforts are necessary to deliver value to end customers. The complexity of these networks, or business ecosystems, and the associated interdependencies among firms, make... View Details
Keywords: Business Ventures; Networks; Value; Customers; Performance Productivity; Product; Applications and Software; Innovation and Invention; Competition; Business Model; Information Infrastructure; Information Technology Industry
Iansiti, Marco, and Gregory L. Richards. "The Information Technology Ecosystem: Structure, Health, and Performance." Antitrust Bulletin 51, no. 1 (Spring 2006).
- January 2020
- Article
Gifts of the Immigrants, Woes of the Natives: Lessons from the Age of Mass Migration
By: Marco Tabellini
In this paper, I jointly investigate the political and the economic effects of immigration and study the causes of anti-immigrant sentiments. I exploit exogenous variation in European immigration to U.S. cities between 1910 and 1930 induced by World War I and the... View Details
Keywords: Political Backlash; Age Of Mass Migration; Cultural Diversity; Immigration; History; Economy; Attitudes; Cross-Cultural and Cross-Border Issues; Diversity
Tabellini, Marco. "Gifts of the Immigrants, Woes of the Natives: Lessons from the Age of Mass Migration." Review of Economic Studies 87, no. 1 (January 2020): 454–486. (Also Harvard Business School Working Paper, No. 19-005, July 2018. Available also from Cato Institute, Microeconomic Insights, VOX, Broadstreet, Cato Institute, and in Oxford University Press's Blog.)
- December 2021
- Article
Trade Policy Uncertainty and Stock Returns
By: Marcelo Bianconi, Federico Esposito and Marco Sammon
A recent literature has documented large real effects of trade policy uncertainty (TPU) on trade, employment, and investment, but there is little evidence that investors are compensated for bearing such risk. To quantify the risk premium associated with TPU, we exploit... View Details
Keywords: Trade Policy; Uncertainty; Stock Returns; Risk Premium; Tariff Rates; Portfolio Analysis; Trade; Policy; Risk and Uncertainty; Stocks; Investment Return
Bianconi, Marcelo, Federico Esposito, and Marco Sammon. "Trade Policy Uncertainty and Stock Returns." Art. 102492. Journal of International Money and Finance 119 (December 2021).
- 2023
- Working Paper
Data Governance, Interoperability and Standardization: Organizational Adaptation to Privacy Regulation
By: Sam (Ruiqing) Cao and Marco Iansiti
The increasing availability of data can afford dynamic competitive advantages among data-intensive
corporations, but governance bottlenecks hinder data-driven value creation and increase regulatory risks.
We analyze the role of two technological features of data... View Details
Keywords: Organizations; Information Technology; Performance Productivity; Growth and Development; Transformation
Cao, Sam (Ruiqing), and Marco Iansiti. "Data Governance, Interoperability and Standardization: Organizational Adaptation to Privacy Regulation." Harvard Business School Working Paper, No. 21-122, May 2021. (Revised November 2023.)
- Forthcoming
- Article
Faith and Assimilation: Italian Immigrants in the U.S.
By: Stefano Gagliarducci and Marco Tabellini
How do ethnic religious organizations influence immigrant assimilation? To answer this question, we assemble novel data from the Catholic directories to measure the presence of Italian Catholic churches in the US between 1890 and 1920, when four million Italians moved... View Details
Gagliarducci, Stefano, and Marco Tabellini. "Faith and Assimilation: Italian Immigrants in the U.S." Economic Journal (forthcoming). (Pre-published online February 20, 2025. Also available from NBER and featured in NBER Digest and VoxEU.)