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(516)
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Show Results For
- All HBS Web
(516)
- News (110)
- Research (352)
- Multimedia (9)
- Faculty Publications (250)
- June 2025
- Article
Passive Ownership and Price Informativeness
By: Marco Sammon
I show that passive ownership negatively affects the degree to which stock prices anticipate earnings announcements. Estimates across several research designs imply that the rise in passive ownership over the last 30 years has caused the amount of information... View Details
Keywords: Passive Ownership; ETFs; Market Efficiency; Price; Investment Funds; Stocks; Communication
Sammon, Marco. "Passive Ownership and Price Informativeness." Management Science 71, no. 6 (June 2025): 4582–4598.
- 01 Apr 1998
- News
Designing Students
(from left) Karena Wells, John Semel, Denton Chase, Lee Falck (partly hidden), and Rich Lim, all members of the HBS Class of 1998, demonstrate how to use the Vita-Tech 2000, a handy vitamin dispenser they created for the Managing Product Development course taught View Details
- 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.
- Article
Policies to Influence Perceptions about COVID-19 Risk: The Case of Maps
By: Claudia Engel, Jonathan Rodden and Marco Tabellini
Choropleth disease maps have become an important tool for informing the public about the risks posed by COVID-19. In a survey conducted in the U.S. state of Georgia in June 2020, we randomly assigned respondents to view either of two maps. The first one reported... View Details
Engel, Claudia, Jonathan Rodden, and Marco Tabellini. "Policies to Influence Perceptions about COVID-19 Risk: The Case of Maps." Science Advances 8, no. 11 (March 18, 2022).
- 12 Feb 2020
- Blog Post
Trying Out New Career Options with SIPs (Short Intensive Programs)
that as a philanthropist, impact investor, board member, employee or corporate partner. Fintech: Disruptions in Credit, Payments and Real Estate Faculty: Marco Di Maggio The advent of new technologies and big data promise to... View Details
- 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.)
- 16 Apr 2019
- First Look
New Research and Ideas, April 16, 2019
interrelationships between three distinct parties: payers, providers, and consumers. Each group has its own perspective accompanied by a set of unique incentives, which complicate the adoption of a value-based health care system. To... View Details
Keywords: Dina Gerdeman
- 23 Feb 2010
- First Look
First Look: Feb. 23
Wines David E. Bell, Marcos Fava Neves, Luciano Thome e Castro, and Mary ShelmanHarvard Business School Case 509-003 ViniBrasil is a small wine venture in Brazil started by a top Portuguese wine company, Dao... View Details
Keywords: Martha Lagace
- 13 Nov 2018
- First Look
New Research and Ideas, November 13, 2018
forthcoming Journal of Finance Brokers and Order Flow Leakage: Evidence from Fire Sales By: Barbon, Andrea, Marco Di Maggio, Francesco Franzoni, and Augustin Landier Abstract—Using trade-level data, we study whether brokers play a role in... View Details
Keywords: Dina Gerdeman
- 01 Mar 2017
- News
Students Forecast Climate Change’s Impact
MORE Watch three students discuss their approach to the climate change challenge MORE Watch three students discuss their approach to the climate change challenge Professors Mike Toffel and Marco Iansiti... View Details
Keywords: Dan Morrell
- 28 Feb 2012
- First Look
First Look: Feb. 28
reforms, we find that an increase in female representation in local government induces a large and significant rise in documented crimes against women in India. Our evidence suggests that this increase is good news, driven primarily by... View Details
Keywords: Sean Silverthorne
- March 2022
- Article
Carbon Footprinting and Pricing under Climate Concerns
By: Marco Bertini, Stefan Buehler, Daniel Halbheer and Don Lehmann
This article studies how organizations should design a product by choosing the carbon footprint and price in a market with climate concerns. The authors first show how the cost and demand effects of reducing the product carbon footprint determine the profit-maximizing... View Details
Keywords: Carbon Footprint; Carbon Offsetting; Climate Impact; Net-zero Emissions; Pricing; Climate Change; Product Design; Price; Environmental Sustainability; Marketing
Bertini, Marco, Stefan Buehler, Daniel Halbheer, and Don Lehmann. "Carbon Footprinting and Pricing under Climate Concerns." Journal of Marketing 86, no. 2 (March 2022): 186–201.
- 01 Sep 2004
- News
Books
Predictable Surprises by Max H. Bazerman and Michael D. Watkins Seeing What’s Next by Clayton M. Christensen, Scott D. Anthony, and Erik A. Roth The Keystone Advantage by View Details
- January 2021
- Supplement
A Half-Deal
By: Marco Di Maggio, Pedro Levindo and Carla Larangeira
In June 2020, XP and Itaú faced intensified competition and tension in their partnership, with the latter owning a minority stake at XP. Two years earlier, in May 2017, Itaú had announced it would acquire 49.9% of XP for $1.8 billion, followed by three additional... View Details
Keywords: Fintech; Financing Strategy; Competition; Partners and Partnerships; Financing and Loans; Strategy; Latin America; Brazil
Di Maggio, Marco, Pedro Levindo, and Carla Larangeira. "A Half-Deal." Harvard Business School Supplement 221-058, January 2021.
- September–October 2017
- Article
Managing Our Hub Economy: Strategy, Ethics, and Network Competition in the Age of Digital Superpowers
By: Marco Iansiti and Karim R. Lakhani
A small number of digital superpowers—Alibaba, Amazon, Microsoft, and others—have become “hub firms” because they control access to billions of mobile customers coveted by all kinds of product and service providers. These hubs drive increasing returns to scale and... View Details
Iansiti, Marco, and Karim R. Lakhani. "Managing Our Hub Economy: Strategy, Ethics, and Network Competition in the Age of Digital Superpowers." Harvard Business Review 95, no. 5 (September–October 2017): 84–92.
- February 2018
- Article
Financial Disclosure and Market Transparency with Costly Information Processing
By: Marco Di Maggio and Marco Pagano
We study a model where some investors (“hedgers”) are bad at information processing, while others (“speculators”) have superior information-processing ability and trade purely to exploit it. The disclosure of financial information induces a trade externality: if... View Details
Keywords: Financial Disclosure; Information Processing; Liquidity; Market Transparency; Rational Inattention; Information; Financial Liquidity; Knowledge Use and Leverage; Corporate Disclosure; Financial Markets; Investment
Di Maggio, Marco, and Marco Pagano. "Financial Disclosure and Market Transparency with Costly Information Processing." Review of Finance 22, no. 1 (February 2018): 117–153.
- 2021
- Chapter
The Economic and Political Effects of Immigration: Evidence from the Age of Mass Migration
By: Marco Tabellini
Between 1850 and 1920, during the Age of Mass Migration, more than 30 million Europeans moved to the United States. European immigrants provided ample supply of cheap labor as well as specific skills and know-how, contributing to American economic growth. These... View Details
Keywords: Age Of Mass Migration; Political Ideology; Political Economy; Assimilation; Immigration; Economics; History; United States
Tabellini, Marco. "The Economic and Political Effects of Immigration: Evidence from the Age of Mass Migration." In Oxford Research Encyclopedia of Economics and Finance, edited by Jonathan H. Hamilton. Oxford University Press, 2021. Electronic.
- 2024
- Working Paper
What Triggers National Stock Market Jumps?
By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon
We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details
Keywords: Uncertainty; Policy Uncertainty; Stock Market; Financial Markets; Volatility; Risk and Uncertainty; Policy; Newspapers
Baker, Scott R., Nicholas Bloom, Steven J. Davis, and Marco Sammon. "What Triggers National Stock Market Jumps?" Working Paper, December 2024.
- 01 Dec 1997
- News
New Releases
Technology Integration by Marco Iansiti (Harvard Business School Press) In the old days, coping with technological change was simple: you kept track of developments, tried to... View Details
Keywords: Robert Binstock