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(516)
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- Research (352)
- Multimedia (9)
- Faculty Publications (250)
Show Results For
- All HBS Web
(516)
- News (110)
- Research (352)
- Multimedia (9)
- Faculty Publications (250)
- 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.)
- 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.)
- 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.
- 01 Sep 2017
- News
Is Private Equity Blockchain’s Killer App?
organizational aspect that need to be addressed.” But if adoption spreads, blockchain could become what he calls a “foundational technology,” with the potential to undergird the world’s economic and social systems. In a recent article he wrote with Professor View Details
Keywords: Dan Morrell
- 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.)
- 01 Jun 1999
- News
Myra Hart Named to Professorship
and DBA (1995) degrees from the School. Hart teaches two MBA electives, Starting New Ventures and Women Building Business. With Professor Marco Iansiti, she received the 1997-98 Apgar Award for Innovation in Teaching for the Starting New... View Details
- 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).
- 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.
- June 1997
- Teaching Note
BancZero New Product Development TN
By: Marco Iansiti
Teaching Note for (9-697-044). View Details
- June 1997
- Teaching Note
Microsoft Multimedia Publications (A) and (B) TN
By: Marco Iansiti
Teaching Note for (9-695-005) and (9-695-006). View Details
- June 1997
- Teaching Note
Innovation in Action: Product Development Projects and Action-Based Learning, Instructor's Note
By: Marco Iansiti
As a project-based course, Managing Product Development has been carefully designed so that classroom discussion and students' project team activities infuse each other: learning from course materials enhances project activities, which in turn enrich subsequent... View Details
- May 1997
- Teaching Note
Product Development Foundations, Instructor's Note
By: Marco Iansiti
As emphasized in the course overview, excellence in product development is built on three foundations: the activities aimed at generating, retaining, and integrating knowledge. They form the critical building blocks for the conceptualization and implementation of any... View Details
- October 1996 (Revised August 1997)
- Background Note
R&D Challenge of the 1990s
By: Marco Iansiti
Iansiti, Marco. "R&D Challenge of the 1990s." Harvard Business School Background Note 697-048, October 1996. (Revised August 1997.)
- September 1996
- Background Note
Technology Integration: Knowledge and Context
By: Marco Iansiti
Iansiti, Marco. "Technology Integration: Knowledge and Context." Harvard Business School Background Note 697-039, September 1996.
- May 1993
- Teaching Note
Becton Dickinson: Advanced Diagnostics Division TN
By: Marco Iansiti
Keywords: Business Divisions
- November 1990 (Revised February 1992)
- Case
Intel Systems Group
By: Marco Iansiti
Iansiti, Marco. "Intel Systems Group." Harvard Business School Case 691-040, November 1990. (Revised February 1992.)