Publications

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

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24 Mar 2022
News

The Seeds of Ideology: Historical Immigration and Political Preferences in the United States

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

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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

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2024
Working Paper

Primary Capital Market Transactions and Index Funds

By: Marco Sammon and Chris Murray

We document the effects of mechanical buying by CRSP-index-tracking funds on post-IPO returns and IPO deal structure. Leveraging a difference-in-differences-style design built on a 2017 CRSP rule change, we find that expected index fund demand leads fast track IPOs to... View Details

Keywords: Investment Funds; Initial Public Offering; Investment Return; Price; Market Transactions; Financial Markets

Web

Technology & Operations Management Awards & Honors - Faculty & Research

with Matt Capizzi, Arthur Hong, and Emily Mower, for "Demand Learning and Dynamic Pricing for Varying Assortments: Algorithm Development and Implementation at Zenrez." Marco Iansiti : Winner of the 2019 Best... View Details

Blog

The Harvard Business School Faculty Summer Reader 2023

research on leading complex organizations and scaling businesses, I've chosen Unleash Your Transformation by Marco Van Kalleveen and Peter Koijen. This book offers valuable insights and practical strategies... View Details

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

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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

25 Feb 2020
News

How Artificial Intelligence is Changing Business

Karim Lakhani and Marco Iansiti (photos by Susan Young; Getty Images) Karim Lakhani and Marco Iansiti (photos... View Details

Keywords: Susan Young

04 Dec 2007
First Look

First Look: December 4, 2007

and Consumer Expectations Authors:Feng Zhu and Marco Iansiti Abstract This paper seeks to answer three questions. First, which drives the success of a platform, installed base, platform quality or consumer... View Details

Keywords: Martha Lagace

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

Keywords: Time Management; Education; Performance Evaluation; Education Industry; Denmark

February 2010 (Revised December 2011)
Case

Ricoh Company, Ltd.

By: Robert G. Eccles, Amy C. Edmondson, Marco Iansiti and Akiko Kanno

Ricoh, the Japanese copier manufacturer, is committed to reducing its environmental impact to one-eighth of its 2000 levels by 2050. It has already introduced three stages of environmental awareness to its operations, and its recycled copier business broke even in... View Details

Keywords: Environmental Accounting; Financial Reporting; Integrated Corporate Reporting; Investment; Operations; Corporate Social Responsibility and Impact; Environmental Sustainability; Electronics Industry; Manufacturing Industry; Japan

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2021
Working Paper

Time and the Value of Data

By: Ehsan Valavi, Joel Hestness, Newsha Ardalani and Marco Iansiti

Managers often believe that collecting more data will continually improve the accuracy of their machine learning models. However, we argue in this paper that when data lose relevance over time, it may be optimal to collect a limited amount of recent data instead of... View Details

Keywords: Economics Of AI; Machine Learning; Non-stationarity; Perishability; Value Depreciation; Analytics and Data Science; Value

Web

Globalization - Faculty & Research

competition, and earnings management affect mean reversion in accounting return on assets. Using a sample of 48,465 unique firms from 49 countries, we find that accounting returns mean revert faster in countries where there is more product and capital market... View Details

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

2018
Working Paper

Black Out-Migration and Southern Political Realignment

By: Leah Boustan and Marco Tabellini

Can emigration from less democratic and economically less developed areas induce political and economic change? We study this question in the context of the second Great Migration of African Americans (1940–1970), when more than 4 million blacks left the U.S. South and... View Details

Keywords: Great Migration; Immigration; Race; Government and Politics; Economics; United States

2021
Working Paper

The Value of Data and Its Impact on Competition

By: Marco Iansiti

Common regulatory perspective on the relationship between data, value, and competition in online platforms has increasingly centered on the volume of data accumulated by incumbent firms. This view posits the existence of "data network effects," where more data leads to... View Details

Keywords: Online Platforms; Data Network Effects; Analytics and Data Science; Value; Competition; Digital Platforms