Publications

Educators

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2021
Working Paper

The Value of Intermediation in the Stock Market

By: Marco Di Maggio, Mark Egan and Francesco Franzoni

We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit... View Details

Keywords: Financial Intermediation; Institutional Investors; Research Analysts; Broker Networks; Equity Trading; Institutional Investing; Financial Services Industry

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

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

Keywords: Perspective; Value; Performance; Investment; Management Analysis, Tools, and Techniques; Information Technology; Information Technology Industry

2021
Case

NiPay's Pricing Conundrum

By: Marco Bertini and Oded Koenigsberg

NiPay is a software provider competing in the Nigerian business-to-business payments market. Founded by Idaku Ibrahim nearly 20 years ago, NiPay sells two products to retailers and other merchants, which enable individual shoppers to transact either online or via a... View Details

Keywords: Payment Systems; B2B; Pricing; Software; Marketing Strategy; Nigeria

Purchase

Article

The Value of Intermediation in the Stock Market

By: Marco Di Maggio, Mark Egan and Francesco Franzoni

We estimate a structural model of broker choice to quantitatively decompose the value that institutional investors attach to broker services. Studying over 300 million institutional equity trades, we find that investors are sensitive to both explicit and implicit... View Details

Keywords: Financial Intermediation; Institutional Investors; Research Analysts; Broker Networks; Equity Trading; Institutional Investing

08 May 2019
News

Gifts of the Immigrants, Woes of the Natives: Lessons from the Age of Mass Migration

June 2012
Article

Pricing to Create Shared Value

By: Marco Bertini and John T. Gourville

Many companies are in competition with their customers to extract as much value as possible from every transaction. Pricing is their weapon of choice, and consumers fight back by rooting out and disseminating pricing policies that seem unfair. The problem is that... View Details

Keywords: Pricing; Marketing Strategy; Price; Customer Focus and Relationships; Customer Relationship Management; Value Creation; Fairness

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

Educators

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11 Dec 2020
News

The debate over Joe Biden canceling student debt, explained

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

2023
Working Paper

Do Active Funds Do Better in What They Trade?

By: Marco Sammon and John J. Shim

We develop two new, simple measures to quantify active fund decisions at the individual position level. The intuition is to separate passive rebalancing induced by flows and position changes from active rebalancing decisions. We find that additive active rebalancing --... View Details

Keywords: Investment Funds; Financial Management

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

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

Fall, 2024
Article

Sixty Years of the Voting Rights Act: Progress and Pitfalls

By: Andrea Bernini, Giovanni Facchini, Marco Tabellini and Cecilia Testa

We review the literature on the effects of the 1965 Voting Rights Act (VRA), which removed formal restrictions to Black political participation. After a brief description of racial discrimination suffered by Black Americans since Reconstruction, we introduce the goals... View Details

Keywords: Prejudice and Bias; Equality and Inequality; Race; Political Elections; Voting; Policy; Outcome or Result; Government Legislation

2014
Article

Children Develop a Veil of Fairness

By: Alex Shaw, Natalia Montinari, Marco Piovesan, Kristina Olson, Francesca Gino and Michael I. Norton

Previous research suggests that children develop an increasing concern with fairness over the course of development. Research with adults suggests that the concern with fairness has at least two distinct components: a desire to be fair and a desire to signal to others... View Details

Keywords: Inequity Aversion; Social Signaling; Social Cognitive Development; Communication Intention and Meaning; Fairness; Age; Reputation; Growth and Development; Cognition and Thinking