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- 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
- 2024
- Working Paper
Categorical Processing in a Complex World
By: Marco Sammon, Thomas Graeber and Christopher Roth
In real-world news environments, quantitative information is rarely presented in isolation; it is characterized through qualitative comparisons with various reference levels. Company earnings, for example, are commonly compared to analyst forecasts, previous earnings,... View Details
- 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
- September 2024 (Revised March 2025)
- Case
Burn the Gondolas? Venice, the Ghetto, and the Seasons of Capitalism
By: Sophus A. Reinert, Charlotte Robertson and Robert Fredona
This case uses the history of Venice—from the driving of the first pylons in the lagoon to the abdication of the city’s last doge, across the ages of Marco Polo and Vivaldi—to explore the invention and global diffusion of capitalism, as well as the cyclical rise and... View Details
- 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
- June, 2024
- Book Review
Debunking Immigration Myths: A Review Essay of 'Streets of Gold: America’s Untold Story of Immigrant Success' (PublicAffairs, 2022) by Ran Abramitzky and Leah Boustan
By: Marco Tabellini
This essay reviews Streets of Gold: America’s Untold Story of Immigrant Success by Ran Abramitzky and Leah Boustan. This elegantly written book, highly accessible to both economists and non-economists, is a must-read for anyone interested in the topic of... View Details
- 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
- 2024
- Working Paper
Migration, Climate Similarity, and the Consequences of Climate Mismatch
By: Marguerite Obolensky, Marco Tabellini and Charles Taylor
This paper examines the concept of “climate matching” in migration—the idea that migrants seek out destinations with familiar climates. Focusing on the US, we document that temperature distance between origin and destination predicts the distribution of migrants across... View Details
Keywords: Migration; Climate; Immigration; Residency; Weather; Ethnicity; Climate Change; Geographic Location; Policy; United States
- June 2023
- Supplement
Clash of Two Giants Simulation Exercise
By: Feng Zhu and Marco Iansiti
Many markets are organized around platforms that connect consumers with complementary applications and services. These platforms are two-sided because both sides - consumers and those providing applications or services - need access to the same platform to interact. A... View Details
- June 2023
- Exercise
Clash of Two Giants Simulation Exercise Instructions
By: Feng Zhu and Marco Iansiti
Many markets are organized around platforms that connect consumers with complimentary applications and services. These platforms are two-sided because both sides - consumers and those providing applications or services - need access to the same platform to interact. A... View Details
- June 2023
- Simulation
Clash of Two Giants: Competing in the Age of Platforms Simulation
By: Feng Zhu and Marco Iansiti
- 2023
- Working Paper
How Wicked Problems Drive Business Performance: A Review of the Academic Literature
By: Caroline Adelson, Charlotte Kuller, Cate Tompkins, Ellora Sarkar, Samantha Price and Marco Iansiti
Recent years have seen a rise in the number of businesses engaged in the pursuit of “purposeful” activities – that is, activities that engage with the broader community in ways that expand beyond the pursuit of shareholder value. Many of these activities involve... View Details
- 2023
- Working Paper
Firm Purpose and Problem Wickedness: A Review of the Academic Literature
By: Caroline Adelson, Charlotte Kuller, Cate Tompkins, Ellora Sarkar, Samantha Price and Marco Iansiti
Our understanding of the firm’s role in society has evolved greatly over the past 70 years, with more recent years seeing a sharp rise in interest for how firms can contribute more than profits to society – that is, have a purpose beyond profits. Businesses engaged in... View Details
- 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
- November 2022
- Article
Hate Crime Towards Minoritized Groups Increases as They Increase in Sized-Based Rank
By: Mina Cikara, Vasiliki Fouka and Marco Tabellini
People are on the move in unprecedented numbers within and between countries. How does demographic change affect local intergroup dynamics? In complement to accounts that emphasize stereotypical features of groups as determinants of their treatment, we propose the... View Details
Keywords: Prejudice; Minority; Hate Crimes; Reference Dependence; Prejudice and Bias; Attitudes; Demographics
- 2022
- Working Paper
Buy Now, Pay Later Credit: User Characteristics and Effects on Spending Patterns
By: Marco Di Maggio, Justin Katz and Emily Williams
Firms offering "buy now, pay later" (BNPL) point-of-sale installment loans with minimal underwriting and low interest have captured a growing fraction of the market for short-term unsecured consumer credit. We provide a detailed look into the US BNPL market by... View Details
- September 2022 (Revised July 2023)
- Case
Data Privacy in Practice at LinkedIn
- 2024
- Working Paper
The Impact of the Chinese Exclusion Act on the Economic Development of the Western U.S.
By: Joe Long, Carlo Medici, Nancy Qian and Marco Tabellini
This paper investigates the economic consequences of the 1882 Chinese Exclusion Act, which banned immigration from China. The Act reduced the number of Chinese workers of all skill levels living in the United States. It also reduced the labor supply and the quality of... View Details
- 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
- 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