Heterogeneous Treatment Effects - Publications - Faculty & Research - Harvard Business School

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2019
Working Paper

Labor Market Shocks and the Demand for Trade Protection: Evidence from Online Surveys

By: Rafael Di Tella and Dani Rodrik

We study preferences for government action in response to layoffs resulting from different types of labor-market shocks. We consider the following shocks: technological change, a demand shift, bad management, and three kinds of international outsourcing. Respondents... View Details

Keywords: Labor; Markets; System Shocks; Trade; Attitudes; Surveys

Research Summary

The Global Networks of Multinational Firms (with Maggie Chen)

By: Laura Alfaro

In this paper we characterize the topology of global multinational networks and examine the macro and micro patterns of multinational activity. We construct indices of network density at both pairwise industry and establishment level and measure agglomeration in a... View Details

November 2009 (Revised August 2010)
Case

NovoCure Ltd.

By: William A. Sahlman and Sarah Flaherty

Venture capitalist William Doyle must raise $35 million for a portfolio company with a promising, novel cancer therapy, just as global capital markets are imploding in the fall of 2008. NovoCure, Ltd., has developed an electrical-field-based therapy, called Tumor... View Details

Keywords: Financial Crisis; Entrepreneurship; Venture Capital; Investment; Health Care and Treatment; Health Testing and Trials; Technological Innovation; Financial Services Industry

July 2023
Article

Design and Analysis of Switchback Experiments

By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao

In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details

Keywords: Switchback Experiments; Design; Analysis; Mathematical Methods

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January–February 2021
Article

Making Space for Emotions: Empathy, Contagion, and Legitimacy’s Double-Edged Sword

By: Andreea Gorbatai, Cyrus Dioun and Kisha Lashley

Legitimacy is critical to the formation and expansion of nascent fields because it lends credibility and recognizability to once overlooked actors and practices. At the same time, legitimacy can be a double-edged sword precisely because it facilitates field growth,... View Details

Keywords: Legitimacy; Collective Identity; Emotional Contagion; Field-congifiguring Events; Empathy; Natural Language Processing; Mixed Methods; Organizational Culture; Emotions; Groups and Teams

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September 2020
Case

Minerva 2004: Discovery

By: John R. Wells and Benjamin Weinstock

After nearly five years in operation, Doctor Cynthia Bamdad, founder and CEO of Minerva Biotechnologies Corporation (Minerva), was reflecting on the company’s next steps. In a few short years, she and her small team had managed to develop a nanoparticle process for... View Details

Keywords: Entrepreneurship; Financing and Loans; Strategy; Decision Choices and Conditions; Biotechnology Industry

2020
Working Paper

Sticky Capital Controls

By: Miguel Acosta-Henao, Laura Alfaro and Andres Fernandez

There is much ongoing debate on the merits of capital controls as effective policy instruments. The differing perspectives are due in part to a lack of empirical studies that look at the intensive margin of controls, which in turn has prevented a quantitative... View Details

Keywords: Capital Controls; Macroprudential Policies; Stickiness; Intensive; (S, S) Costs; Capital; Management; Macroeconomics

2018
Working Paper

When to Take the Leap: The Antecedents and Consequences of Leapfrog CEOs

By: J. Yo-Jud Cheng

Much of the prior research on CEO successions focuses on differences between CEOs appointed from within the firm and those appointed from outside; however, this dichotomy neglects significant heterogeneity in CEOs’ career trajectories. In this study, I examine the... View Details

Keywords: Management Succession; Organizational Change and Adaptation; Innovation and Management

2018
Working Paper

Taxation and Innovation in the 20th Century

By: Ufuk Akcigit, John Grigsby, Tom Nicholas and Stefanie Stantcheva

This paper studies the effect of corporate and personal taxes on innovation in the United States over the 20th century. We use three new datasets: a panel of the universe of inventors who patent since 1920; a dataset of the employment, location, and patents of firms... View Details

Keywords: Taxation; Innovation and Invention; History; United States

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The Psychosocial Value of Employment

In settings where employment opportunities are scarce, the inability to work may generate psychosocial harm. This paper presents a causal estimate of the psychosocial value of employment in the Rohingya refugee camps of Bangladesh. We engage 745 individuals in a field... View Details

2016
Case

Advanced Leadership Pathways: Alberto Mora and the Costs and Consequences of Torture

By: Rosabeth M. Kanter and Benjamin Summers

Alberto Mora's time as General Counsel of the Navy from 2001–2006 greatly influenced his mission to illuminate the policy consequences of torture. Mora's drive to restore the nation's awareness and conscience against torture was gaining traction. Prominent... View Details

Keywords: Leadership Skills; Torture; Costs And Consequences; Humane; Restraint; Human Dignity; Treatment Of Prisoners; Prison; Repression; Opposition; Revolution; Democracy; Communism; International Affairs; Public Service; September 11; War On Terror; Operation Enduring Freedom; Guantanamo; Cuba; Coalition; Working Group; Cruelty; Interrogation; Memorandum; American Law; Authority; Authoritative; Quadrennial Defense Review; National Defense Authorization Act; Public Engagement; Advocacy; Law; Accountability; Center For The Victims Of Torture; Human Rights; Public Policy; Legality; Morality; Legal System; Tactical Military Operations; West Point; NGO; Human Rights First; American Civil Liberties Union; Human Rights Watch; Amnesty International; Constitution Project; Center For Constitutional Rights; Strategic Military Effect; National Security; Weapon; Terrorism; Prisoners Of War; Abu Ghraib; Pentagon; Ethics; Moral Sensibility; Leadership; Rights; Policy; Public Opinion; United States

Forthcoming
Article

Sticky Capital Controls

By: Miguel Acosta-Henao, Laura Alfaro and Andrés Fernández

There is much ongoing debate on the merits of capital controls as effective policy instruments. The differing perspectives are due in part to a lack of empirical studies that look at the intensive margin of controls, which in turn has prevented a quantitative... View Details

Keywords: Capital Controls; Macroprudential Policies; Stickiness; Intensive; (S, S) Costs; Capital; Management; Macroeconomics; Governance Controls; Mathematical Methods

March–April 2019
Article

A Recombination-Based Internationalization Model: Evidence from Narayana Health's Journey from India to the Cayman Islands

By: Budhaditya Gupta and Tarun Khanna

Internationalizing firms often find developing host-country resources challenging as they simultaneously attempt to replicate the resources that worked well in their home country and adapt them to fit the context of the host country. On the basis of a longitudinal... View Details

Keywords: Recombination; Internationalization; Cross-Cultural and Cross-Border Issues; Multinational Firms and Management; Health Care and Treatment; India; Cayman Islands

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June 28, 2011
Article

Using Implementation Intentions Prompts to Enhance Influenza Vaccination Rates

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

We evaluate the results of a field experiment designed to measure the effect of prompts to form implementation intentions on realized behavioral outcomes. The outcome of interest is influenza vaccination receipt at free on-site clinics offered by a large firm to its... View Details

Keywords: Behavioral Economics; Nudge; Libertarian Paternalism; Public Health; Flu Shot; Behavior; Consumer Behavior; Health Care and Treatment; Cognition and Thinking

2022
Article

Alleviating Time Poverty Among the Working Poor: A Pre-Registered Longitudinal Field Experiment

By: A.V. Whillans and Colin West

Poverty entails more than a scarcity of material resources—it also involves a shortage of time. To examine the causal benefits of reducing time poverty, we conducted a longitudinal feld experiment over six consecutive weeks in an urban slum in Kenya with a sample of... View Details

Keywords: Time; Subjective Well Being; Administrative Costs; Friction; Poverty; Well-being; Money; Perception; Kenya

Research Summary

Regulatory Change/Business-Government Relations

“Sources of Learning Heterogeneity: Discontinuous Regulatory Shock and its Impact on Organizational Search Behaviors”

Co-authoring with Jerry Kim, in this study I look at how discontinuous regulatory shock shapes organizational... View Details

Keywords: Business ＆ Government Relations; Regulations; Regulatory Capture; Pharmaceutical Industry; United States

13 Jan 2015
First Look

First Look: January 13

can TV advertising remain an effective means of promoting and selling products and services? In this article, the author draws upon his research to argue that TV advertising remains a powerful vehicle for capturing people's attention,... View Details

Keywords: Sean Silverthorne

Research Summary

Job Market Paper

When to Take the Leap:
The Antecedents and Consequences of Leapfrog CEOs

Much of the prior research on CEO successions focuses on differences between CEOs appointed from within the firm and those appointed from outside;... View Details

July 2024
Article

Mass General Brigham’s Patient-Reported Outcomes Measurement System: A Decade of Learnings

By: Jason B. Liu, Robert S. Kaplan, David W. Bates, Mario O. Edelen, Rachel C. Sisodia and Andrea L. Pusic

This article describes the strategies that leaders at the Mass General Brigham (MGB) health system have used in launching a standardized patient-reported outcome measure (PROM) collection program in 2012, a major step in the value-based transformation of health care.... View Details

Keywords: Patient-reported Outcomes; Value Based Health Care; Health Care and Treatment; Transformation; Outcome or Result; Organizational Change and Adaptation; Performance Improvement; Health Industry

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2023
Working Paper

Design-Based Inference for Multi-arm Bandits

By: Dae Woong Ham, Iavor I. Bojinov, Michael Lindon and Martin Tingley

Multi-arm bandits are gaining popularity as they enable real-world sequential decision-making across application areas, including clinical trials, recommender systems, and online decision-making. Consequently, there is an increased desire to use the available... View Details

Keywords: Analytics and Data Science; Mathematical Methods

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