Publications

March 2021
Supplement

Snapp: Scaling Under Sanctions in Iran (B)

By: Meg Rithmire and Gamze Yucaoglu

The case opens in November 2020 as Eyad Alkassar and Mahmoud Fouz, co-founders of Iran’s first and leading ride-hailing platform, Snapp, eagerly await the results of the U.S. presidential elections.
The case takes us through the challenging times between... View Details

Keywords: Sanctions; Change Management; Disruption; Volatility; Decision Choices and Conditions; Cross-Cultural and Cross-Border Issues; Government and Politics; International Relations; National Security; Crisis Management; Risk Management; Health Pandemics; Transportation Industry; Middle East; Iran

March 2021
Article

A Diplomatic Counterrevolution: Indonesian Diplomacy and the Invasion of East Timor

By: Mattias Fibiger

This article reinterprets the Indonesian invasion of East Timor as a "diplomatic counterrevolution." Using the central archival records of the Suharto regime for the first time in English-language scholarship, it argues that Indonesian diplomats pursued diplomacy in... View Details

Keywords: Diplomacy; Geopolitics; History; Globalization; Indonesia; Timor-Leste

March 2021
Article

Active Choice, Implicit Defaults, and the Incentive to Choose

By: John Beshears, James J. Choi, David Laibson and Brigitte C. Madrian

Home-delivered prescriptions have no delivery charge and lower copayments than prescriptions picked up at a pharmacy. Nevertheless, when home delivery is offered on an opt-in basis, the take-up rate is only 6%. We study a program that makes active choice of either home... View Details

Keywords: Active Choice; Defaults; Implicit Defaults; Incentives; Consumer Behavior; Decision Choices and Conditions; Motivation and Incentives

2021
Other Unpublished Work

As Healthcare Costs Escalate, A New George and Regi Herzlinger Industry Award Shines a Spotlight on Innovation Education

By: Regina E. Herzlinger

The winners of the first ever CAHME/George and Regi Herzlinger Innovation Education Award have just been announced. Regi Herzlinger explains why rewarding, supporting, and encouraging innovation education is so critical to solving the challenges of our industry. View Details

Keywords: Health Care and Treatment; Management; Innovation and Invention; Education

March 2021
Article

Assortment Rotation and the Value of Concealment

By: Kris J. Ferreira and Joel Goh

Assortment rotation—the retailing practice of changing the assortment of products offered to customers—has recently been used as a competitive advantage for both brick-and-mortar and online retailers. We focus on product categories where consumers may purchase multiple... View Details

Keywords: Assortment Optimization; Retailing; Imperfect Information; Sales; Strategy; Consumer Behavior

March 2021
Article

Bayesian Signatures of Confidence and Central Tendency in Perceptual Judgment

By: Yang Xiang, Thomas Graeber, Benjamin Enke and Samuel Gershman

This paper theoretically and empirically investigates the role of Bayesian noisy cognition in perceptual judgment, focusing on the central tendency effect: the well-known empirical regularity that perceptual judgments are biased towards the center of the... View Details

Keywords: Visual Perception; Bayesian Modeling; Perception; Judgments

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March 2021 (Revised March 2022)
Case

Brazil: Land of the Future?

By: Sophus A. Reinert, Jonathan Schlefer, Ruth Costas and Pedro Levindo

Educators

Article

CDS Trading and Nonrelationship Lending Dynamics

By: Jung Koo Kang, Christopher Williams and Regina Wittenberg-Moerman

We investigate how credit default swaps (CDSs) affect lenders’ incentives to initiate new lending relationships. We predict that CDSs reduce adverse selection that nonrelationship lead arrangers face when competing for loans. Consistently, we find that a loan is... View Details

Keywords: Credit Default Swaps; CDS Market; Non-relationship Lending; Debt Contracts; Adverse Selection; Lending Monitoring; Cross-selling

2020
Working Paper

Currency Hedging in Emerging Markets: Managing Cash Flow Exposure

By: Laura Alfaro, Mauricio Calani and Liliana Varela

Foreign currency derivative markets are among the largest in the world, yet their role in emerging markets in particular, is relatively understudied. We study firms' currency risk exposure and their hedging choices by employing a unique dataset covering the universe of... View Details

Keywords: Foreign Currency Hedging; FX Derivatives; Foreign Currency Debt; Currency Mismatch; Trade Credit; Currency; Cash Flow; Emerging Markets

March 2021
Case

Dasra: From Strategic Philanthropy to Field Building

By: V. Kasturi Rangan and Tanya Bijlani

Dasra, a pioneer in the Indian Strategic Philanthropy space founded by a husband and wife team, had grown and evolved with the fast changing philanthropy scene in India. By 2017 it had managed to raise nearly $100 million of new capital for NGOs and Nonprofits in... View Details

Keywords: Philanthropy; Impact Investing; Corporate Social Responsibility; Social Sector; Philanthropy and Charitable Giving; Corporate Social Responsibility and Impact; Social Entrepreneurship; Strategy; India

Educators

March 2021
Article

Deliberately Prejudiced Self-driving Vehicles Elicit the Most Outrage

By: Julian De Freitas and Mina Cikara

Should self-driving vehicles be prejudiced, e.g., deliberately harm the elderly over young children? When people make such forced-choices on the vehicle’s behalf, they exhibit systematic preferences (e.g., favor young children), yet when their options are unconstrained... View Details

Keywords: Moral Judgment; Autonomous Vehicles; Driverless Policy; Moral Outrage; Moral Sensibility; Judgments; Transportation; Policy

Mar 2021
Conference Presentation

Descent-to-Delete: Gradient-Based Methods for Machine Unlearning

By: Seth Neel, Aaron Leon Roth and Saeed Sharifi-Malvajerdi

We study the data deletion problem for convex models. By leveraging techniques from convex optimization and reservoir sampling, we give the first data deletion algorithms that are able to handle an arbitrarily long sequence of adversarial updates while promising both... View Details

Keywords: Machine Learning; Unlearning Algorithm; Mathematical Methods

2021
Chapter

Dis-Atlanticism: The West in an Era of Global Fragmentation

By: Rawi Abdelal and Ulrich Krotz

BOOK ABSTRACT: Is the EU a Success or a Failure? Should It Stay or Should It Go? Britain and the EU. The Big Waste or Essential to Feed Europe? The Common Agricultural Policy. Observers of the European Union could be forgiven in thinking that since its inception the EU... View Details

March 2021
Article

Experimenting During the Shift to Virtual Team Work: Learnings from How Teams Adapted Their Activities During the COVID-19 Pandemic

By: Ashley V. Whillans, Leslie Perlow and Aurora Turek

Past research has focused on understanding the characteristics of work that are fully virtual or fully collocated. The present study seeks to expand our understanding of team work by studying knowledge workers' experiences as they were suddenly forced to transition to... View Details

Keywords: Team Work; Activities; Virtual Work; Digital Technologies; Groups and Teams; Health Pandemics; Internet and the Web; Adaptation

2021
Working Paper

First Law of Motion: Influencer Video Advertising on TikTok

By: Jeremy Yang, Juanjuan Zhang and Yuhan Zhang

This paper engineers an intuitive feature that is predictive of the causal effect of influencer video advertising on product sales. We propose the concept of m-score, a summary statistic that captures the extent to which a product is advertised in the most engaging... View Details

Keywords: Influencer Advertising; Video Advertising; Computer Vision; Machine Learning; Advertising; Online Technology

SSRN

2022
Article

Gender Inequality in Research Productivity During the COVID-19 Pandemic

By: Ruomeng Cui, Hao Ding and Feng Zhu

We study the disproportionate impact of the lockdown as a result of the COVID-19 outbreak on female and male academics' research productivity in social science. The lockdown has caused substantial disruptions to academic activities, requiring people to work from home.... View Details

Keywords: Gender Inequality; Research Productivity; Telecommuting; COVID-19 Pandemic; Research; Performance Productivity; Gender; Equality and Inequality; Health Pandemics

2021
Working Paper

How Much Should We Trust Staggered Difference-In-Differences Estimates?

By: Andrew C. Baker, David F. Larcker and Charles C.Y. Wang

Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent advances in econometric theory show that such designs are likely to be biased in the... View Details

Keywords: Difference In Differences; Staggered Difference-in-differences Designs; Generalized Difference-in-differences; Dynamic Treatment Effects; Mathematical Methods

SSRN

Article

How Venture Capitalists Make Decisions

By: Paul A. Gompers, Will Gornall, Steven Kaplan and Ilya Strebulaev

For decades now, venture capitalists have played a crucial role in the economy by financing high-growth start-ups. While the companies they’ve backed—Amazon, Apple, Facebook, Google, and more—are constantly in the headlines, very little is known about what VCs actually... View Details

Keywords: Venture Capital; Investment; Decision Making