Publications

2025
Working Paper

Turning Away from the State: Trade Shocks and Informal Insurance in Brazil

By: Paula Rettl

How does economic globalization affect vote choices? Conventional wisdom holds that voters who lose from economic integration support parties that propose expanding the welfare state. However, in the Global South, where the state is frequently weak or under-resourced,... View Details

Keywords: Global Strategy; Globalized Economies and Regions; Governance; Government Administration; Political Elections; Voting; Latin America; Brazil; South America

SSRN

January 2025
Case

Untapped Global: Financing Africa's Missing Middle

By: Raymond Kluender and Emanuele Colonnelli

In November 2024, Jim Chu, founder and CEO of Untapped Global, faced mounting internal tensions over the company’s strategic direction. Untapped had developed a data-driven revenue-based financing (RBF) model to address the “missing middle” problem—the $5.2 trillion... View Details

January 2025
Case

PayJoy: Financing for the Next Billion

By: Boris Groysberg and Sarah L. Abbott

PayJoy, an impact-driven financial technology company founded in 2015, provides smartphone financing and other financial products to customers who lack access to traditional credit products. As of early 2025, PayJoy had issued $2.5 billion in loans to 13 million... View Details

November 2024
Article

Perceptions About Monetary Policy

By: Michael D. Bauer, Carolin Pflueger and Adi Sunderam

We estimate perceptions about the Federal Reserve’s monetary policy rule from panel data on professional forecasts of interest rates and macroeconomic conditions. The perceived dependence of the federal funds rate on economic conditions varies substantially over time,... View Details

Keywords: Monetary Policy; Policy; Interest Rates; Perception; Economy; Forecasting and Prediction

2024
Working Paper

Generative AI and the Nature of Work

By: Manuel Hoffmann, Sam Boysel, Frank Nagle, Sida Peng and Kevin Xu

Recent advances in artificial intelligence (AI) technology demonstrate considerable potential to complement human capital intensive activities. While an emerging literature documents wide-ranging productivity effects of AI, relatively little attention has been paid... View Details

Keywords: Generative Ai; Digital Work; Open Source Software; Knowledge Economy; AI and Machine Learning; Open Source Distribution; Organizational Structure; Performance Productivity; Labor

SSRN

2024
Working Paper

Foreign Influence in U.S. Politics

By: Marco Grotteria, Max Miller and S. Lakshmi Naaraayanan

This paper investigates the informational role of lobbyists in the context of foreign lobbying in the United States. Using Department of Justice data on contacts between foreign governments and US legislators, we show that exogenous shocks to these connections... View Details

Keywords: Political Economy; Public Finance; Political Connections; Foreign Lobbying

September–October 2024
Article

The Crowdless Future? Generative AI and Creative Problem-Solving

By: Léonard Boussioux, Jacqueline N. Lane, Miaomiao Zhang, Vladimir Jacimovic and Karim R. Lakhani

The rapid advances in generative artificial intelligence (AI) open up attractive opportunities for creative problem-solving through human-guided AI partnerships. To explore this potential, we initiated a crowdsourcing challenge focused on sustainable, circular economy... View Details

Keywords: Large Language Models; Generative Ai; Crowdsourcing; AI and Machine Learning; Creativity; Technological Innovation

September 2024 (Revised March 2025)
Supplement

Wemade: (Re)Establishing Trust in Blockchain Games (B)

By: Jung Koo Kang, Charles C.Y. Wang, David Allen and Kwangmoon So

This supplement reviews Wemade's efforts to rebuild confidence in its business after its WEMIX coin was delisted from the major South Korean cryptocurrency exchanges on December 8, 2022. It outlines Wemade's strategy of transparency, which included partnerships with... View Details

Keywords: Blockchain; Cryptocurrency; Crypto Economy; Accounting; Financial Reporting; Revenue Recognition; Games, Gaming, and Gambling; Corporate Disclosure; Information Technology; Financial Markets; Governance; Accounting Industry; Video Game Industry; South Korea

2024
Book

Fintech, Small Business & the American Dream: How Technology Is Transforming Lending and Shaping a New Era of Small Business Opportunity

By: Karen G. Mills

The second edition of Fintech, Small Business & the American Dream, builds on the groundbreaking 2019 book with new insights on how technology and artificial intelligence are transforming small business lending. This ambitious view covers the significance of... View Details

Keywords: Fintech; AI; AI and Machine Learning; Small Business; Economy; Technology Adoption; Credit; Financing and Loans; Analytics and Data Science

2024
Working Paper

Digital Platforms 2.0: Learnings, Opportunities, and Challenges

By: Shrabastee Banerjee, Ishita Chakraborty, Hana Choi, Hannes Datta, Remi Daviet, Chiara Farronato, Minkyung Kim, Anja Lambrecht, Puneet Manchanda, Aniko Oery, Ananya Sen, Marshall W Van Alstyne, Prasad Vana, Kenneth C Wilbur, Xu Zhang and Bobby Zhou

Platform-based digital ecosystems form the backbone of our interactions with the Internet. Over the past decade, digital ecosystems have witnessed significant growth, both in terms of industry footprint and academic research. Yet, the challenges associated with their... View Details

Keywords: Digital Platforms; Technology Adoption; E-commerce; Market Design

SSRN

June 2024
Article

Real Growth in Space Manufacturing Output Substantially Exceeds Growth in the Overall Space Economy

By: Tina Highfill and Matthew Weinzierl

Accurately measuring real economic output in the space economy is made difficult by the rapid increase in capabilities and decrease in prices of launch and satellite technologies achieved over the past two decades. Nominal measures of output in space will tend to... View Details

Keywords: Technological Innovation; Economic Growth; Price; Production; Aerospace Industry

March 2024 (Revised June 2024)
Case

Kashat: Navigating the Uncertainties of the Egyptian Fintech Market

By: Paul A. Gompers and Ahmed Dahawy

Karim Nour, the founder of Kashat, an Egyptian nano-lending fintech company, is contemplating how to manage the growth of his startup. Over the summer of 2022, Kashat's loan disbursements had grown by nearly 40%, fueled by macroeconomic instability in Egypt. However,... View Details

Keywords: Fintech; Business Model; Developing Countries and Economies; Acquisition; Business Exit or Shutdown; Mobile and Wireless Technology; Business Growth and Maturation; Business Startups; Financing and Loans; Capital; Financial Services Industry; Banking Industry; Egypt

February 2024 (Revised April 2024)
Case

Uniswap: Fighting a Vampire Attack (A)

By: Shikhar Ghosh, Shweta Bagai and Liang Wu

This is the first of a three-case series that explores the challenges faced by Uniswap, a key player in the decentralized finance (DeFi) sector. Founded by Hayden Adams, the case traces Uniswap's rapid growth from a simple idea inspired by a Reddit post to becoming one... View Details

Working Paper

Visual Uniqueness in Peer-to-Peer Marketplaces: Machine Learning Model Development, Validation, and Application

By: Flora Feng, Charis Li and Shunyuan Zhang

Peer-to-peer (P2P) marketplaces have seen exponential growth in recent years featured by unique offerings from individual providers. Despite the perceived value of uniqueness, scalable quantification of visual uniqueness in P2P platforms like Airbnb has been largely... View Details

Keywords: Peer-to-peer Markets; Marketplace Matching; AI and Machine Learning; Demand and Consumers; Digital Platforms; Marketing

2024
Working Paper

The Value of Open Source Software

By: Manuel Hoffmann, Frank Nagle and Yanuo Zhou

The value of a non-pecuniary (free) product is inherently difficult to assess. A pervasive example is open source software (OSS), a global public good that plays a vital role in the economy and is foundational for most technology we use today. However, it is... View Details

Keywords: Valuation; Open Source Distribution; Applications and Software