Publications

September 2017
Article

The Real Effects of Capital Controls: Firm-Level Evidence from a Policy Experiment

By: Laura Alfaro, Anusha Chari and Fabio Kanczuk

Emerging-market governments adopted capital control taxes to manage the massive surge in foreign capital inflows in the aftermath of the global financial crisis. Theory suggests that the imposition of capital controls can drive up the cost of capital and curb... View Details

Keywords: Capital Controls; Discriminatory Taxation; International Investment Barriers; Exports; Debt; Cost of Capital; Taxation; Investment; Borrowing and Debt; Equity; Brazil

2016
Working Paper

Managers' Cultural Background and Disclosure Attributes

By: Francois Brochet, Gregory S. Miller, Patricia Naranjo and Gwen Yu

We examine how a manager’s ethnic cultural background affects managers’ communication with investors. Using a sample of earnings conference calls transcripts with 26,430 executives from 42 countries, we find that managers from ethnic groups that have a more... View Details

Keywords: Disclosure Tone; Individualism; Conference Calls; Ethnic Group; Management Style; Communication Intention and Meaning; Ethnicity; Corporate Disclosure; Financial Reporting

October 2011
Article

The Surprising Power of Age-Dependent Taxes

By: Matthew C. Weinzierl

This article provides a new, empirically driven application of the dynamic Mirrleesian framework by studying a feasible and potentially powerful tax reform: age-dependent labor income taxation. I show analytically how age dependence improves policy on both the... View Details

Keywords: Taxation; Policy; Age; Income; Mathematical Methods; Welfare; United States

February 2007 (Revised May 2007)
Case

Bancaja: Developing Customer Intelligence (A)

In 1996, CEO Fernando Garcia Checa wanted to make customer analytics a part of Bancaja's new strategy. Bancaja, a savings bank based in Valencia, Spain, was expanding and wanted to exploit customer information to increase commercial effectiveness. At the same time, it... View Details

Keywords: Customer Relationship Management; Banking Industry; Spain

Educators

Research Summary

Building Small Business Utopia: How Artificial Intelligence and Big Data Can Increase Small Business Success

Small business lending has remained unchanged for decades, laden with frictions and barriers that prevent many small businesses from accessing the capital they need to succeed. Financial technology, or “fintech,” promises to change this trajectory. In 2010, new fintech... View Details

January 2022
Article

Global Behaviors, Perceptions, and the Emergence of Social Norms at the Onset of the COVID-19 Pandemic

By: Lukas Hensel, Marc Witte, Stefano Caria, Thiemo Fetzer, Stefano Fiorin, Friedrich M. Goetz, Margarita Gomez, Johannes Haushofer, Andriy Ivchenko, Gordon T. Kraft-Todd, Elena Reutskaja, Christopher Roth, Erez Yoeli and Jon M. Jachimowicz

We conducted a large-scale survey covering 58 countries and over 100,000 respondents between late March and early April 2020 to study beliefs and attitudes towards citizens' and governments' responses at the onset of the COVID-19 pandemic. Most respondents reported... View Details

Keywords: COVID-19; Government Regulation; Social Norms; Health Pandemics; Governing Rules, Regulations, and Reforms; Behavior; Perception; Global Range; Surveys

Article

A Cost Comparison of Cataract Surgeries in Three Countries—United States, India, and Nepal

By: Jiayin Xue, John Hinkle, Mary-Grace Reeves, Luo Luo Zheng, Vengadesan Natarajan, Shyam Vyas, Radhika Upreti Oli, Matt Oliva, Robert S. Kaplan, Arnold Milstein, Geoff Tabin, Jeffrey L. Goldberg and Kevin Schulman

U.S.-based cataract surgeries are costly compared with those performed in high-quality Indian and Nepalese eye centers. The authors used time-driven activity-based costing to evaluate phacoemulsification surgery across four sites: a U.S.-based academic hospital... View Details

Keywords: Time-Driven Activity-Based Costing; Cost Accounting; Health Care and Treatment; Health Industry; India; Nepal; United States

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2021
Chapter

Building Small Business Utopia: How Artificial Intelligence and Big Data Can Increase Small Business Success

By: Karen G. Mills and Annie Dang

Small business lending has remained unchanged for decades, laden with frictions and barriers that prevent many small businesses from accessing the capital they need to succeed. Financial technology, or “fintech,” promises to change this trajectory. In 2010, new fintech... View Details

Keywords: Big Data; Fintech; Artificial Intelligence; Small Business; Financing and Loans; Capital; Success; AI and Machine Learning; Analytics and Data Science

Article

Towards a Single European Sky

By: Yael Grushka-Cockayne and Bert De Reyck

We describe an integrated decision-making framework and model that we developed to aid EUROCONTROL, the European air traffic management organization, in its vital role of constructing a single unified European sky. Combining multicriteria decision analysis with... View Details

Keywords: Decision Making; Analysis; Air Transportation Industry; Europe

May–June 2019
Article

U-Shaped Conformity in Online Social Networks

By: Monic Sun, Michael Zhang and Feng Zhu

We explore how people balance their needs to belong and to be different from their friends by studying their choices of a virtual-house wall color on a leading Chinese social-networking site. The setting enables us to randomize both the popular color and the adoption... View Details

Keywords: Conformity; Normative Social Influence; Social Networks; Field Experiment; Social and Collaborative Networks; Behavior; Attitudes; Social Media

November 2019
Article

How Do Sales Efforts Pay Off? Dynamic Panel Data Analysis in the Nerlove-Arrow Framework

By: Doug J. Chung, Byungyeon Kim and Byoung G. Park

This paper evaluates the short- and long-term value of sales representatives’ detailing visits to different types of physicians. By understanding the dynamic effect of sales calls across heterogeneous physicians, we provide guidance on the design of optimal call... View Details

Keywords: Nerlove-Arrow Framework; Stock-of-goodwill; Dynamic Panel Data; Serial Correlation; Instrumental Variables; Sales Effectiveness; Detailing; Analytics and Data Science; Sales; Analysis; Performance Effectiveness; Pharmaceutical Industry

May 2010
Article

Leadership Effort in Professional Radiology Associations

By: Srikant M. Datar, John Tan and Sanjay Saini

Professional associations advocate for their members' interests; provide forums for education, training, and certification; and support domain-specific research and development efforts. The purpose of this study was to determine the amount of resources devoted to the... View Details

Keywords: Leadership; Cooperation; Society; Health Industry

February 2001 (Revised March 2003)
Case

i2 TradeMatrix

i2 has recently acquired Aspect Development and is incorporating Aspect's offerings into its TradeMatrix product for business-to-business e-commerce. TradeMatrix embeds i2's existing products for optimizing supply chain performance by applying advanced planning and... View Details

Keywords: Internet and the Web; Applications and Software; Organizational Culture; Mergers and Acquisitions; Information Technology Industry

2021
Book

The Future of Executive Development

By: Mihnea C Moldoveanu and Das Narayandas

Executive development programs have entered a period of rapid transformation, driven by digital disruption and a widening gap between the skills that participants and their organizations demand and those provided by their executive programs. This work delves into the... View Details

Keywords: Executive Education; Leadership Development; Management Skills; Education Industry

2020
Working Paper

Determinants of Early-Stage Startup Performance: Survey Results

By: Thomas R. Eisenmann

To explore determinants of new venture performance, the CEOs of 470 early-stage startups were surveyed regarding a broad range of factors related to their venture’s customer value proposition, product management, marketing, technology and operations, financial... View Details

Keywords: Startups; Survey Research; Performance Analysis; Entrepreneurship; Performance; Analysis; Business Startups; Failure; Surveys

2020
Working Paper

Social Interactions in Pandemics: Fear, Altruism, and Reciprocity

By: Laura Alfaro, Ester Faia, Nora Lamersdorf and Farzad Saidi

In SIR models, homogeneous or with a network structure, infection rates are assumed to be exogenous. However, individuals adjust their behavior. Using daily data for 89 cities worldwide, we document that mobility falls in response to fear, as approximated by Google... View Details

Keywords: Social Interactions; Pandemics; Mobility; Cities; SIR Networks; Social Preferences; Social Planner; Targeted Policies; Health Pandemics; Interpersonal Communication; Behavior; Policy

September–October 2020
Article

Managing Churn to Maximize Profits

By: Aurelie Lemmens and Sunil Gupta

Customer defection threatens many industries, prompting companies to deploy targeted, proactive customer retention programs and offers. A conventional approach has been to target customers either based on their predicted churn probability or their responsiveness to a... View Details

Keywords: Churn Management; Defection Prediction; Loss Function; Stochastic Gradient Boosting; Customer Relationship Management; Consumer Behavior; Profit

January 2018 (Revised October 2021)
Case

Château Margaux: Launching the Third Wine (Abridged)

By: Elie Ofek

Château Margaux, one of only five prestigious estates in the Bordeaux Medoc wine region to have been classified as a "first-growth", is facing a host of strategic decisions in early 2013. Up until this point the estate had been selling two red wines, a first wine whose... View Details

Keywords: New Product Launch; Marketing Plan; Brand Management; Go To Market Strategy; Channels Of Distribution; Wine Industry; Marketing Strategy; Distribution Channels; Product Launch; Brands and Branding; Agriculture and Agribusiness Industry; Food and Beverage Industry; France

Educators