Publications

April 2014
Article

The Emergence of 'Us and Them' in 80 Lines of Code: Modeling Group Genesis in Homogeneous Populations

By: Kurt Gray, David G. Rand, Eyal Ert, Kevin Lewis, Steve Hershman and Michael I. Norton

Psychological explanations of group genesis often require population heterogeneity in identity or other characteristics, whether deep (e.g., religion) or superficial (e.g., eye color). We use game-theoretical agent-based models to explore group genesis in homogeneous... View Details

Keywords: Groups and Teams

March 2017
Article

Institutional Ownership and Corporate Tax Avoidance: New Evidence

By: Mozaffar N. Khan, Suraj Srinivasan and Liang Tan

We provide new evidence on the agency theory of corporate tax avoidance (Slemrod, 2004; Crocker and Slemrod, 2005; Chen and Chu, 2005) by showing that increases in institutional ownership are associated with increases in tax avoidance. Using the Russell index... View Details

Keywords: Tax Avoidance; Agency Costs; Institutional Ownership; Private Ownership; Crime and Corruption; Taxation; Agency Theory

Article

Affording to Wait: Medicare Initiation and the Use of Health Care

By: Guy David, Philip Saynisch, Victoria Acevado-Perez and Mark D. Neuman

Delays in receipt of necessary diagnostic and therapeutic medical procedures related to the timing of Medicare initiation at age 65 years have potentially broad welfare implications. We use 2005–2007 data from Florida and North Carolina to estimate the effect of... View Details

Keywords: Medicare; Behavior; Insurance; Health Care and Treatment; Insurance Industry; Public Administration Industry; Health Industry; North Carolina; Florida

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2024
Article

Crucibles, Multiple Sensitive Periods, and Career Progression

By: Prithwiraj Choudhury, Sunasir Dutta, Hise O. Gibson and Eric Lin

We study the effects of crucible experiences along multiple sensitive periods on career progression. While prior literature has hinted that individuals can be imprinted during multiple sensitive periods, not just during the early career, there has been scant attention... View Details

Keywords: Military Service; Personal Development and Career; Transformation; Power and Influence; Learning; Human Capital

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05 Aug 2019
News

Navy saves money, improves patient outcomes through value-based care pilot: study

14 Aug 2018
First Look

First Look at New Research and Ideas, August 14, 2018

complementors varies across empirical settings. It identifies several future research directions that can help advance our understanding of the relationships between platform owners and complementors. Publisher's link:... View Details

Keywords: by Sean Silverthorne

Trading on Talent: Human Capital and Firm Performance

How does a firm's human capital impact financial performance? By directly observing the employment and education trajectories of a significant proportion of U.S. public company employees from 1990 to the present, we explore the relationship between performance and two... View Details

Article

Decreases In Readmissions Credited to Medicare's Program to Reduce Hospital Readmissions Have Been Overstated

By: Christopher Ody, Lucy Msall, Leemore S. Dafny, David Grabowski and David Cutler

Medicare’s Hospital Readmissions Reduction Program (HRRP) has been credited with lowering risk-adjusted readmission rates for targeted conditions at general acute care hospitals. However, these reductions appear to be illusory or overstated. This is because a... View Details

Keywords: Readmission Rates; Hospitals; Acute Care Hospitals; Medicare; Myocardial Infarction; Heart Failure; Health Care and Treatment

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April 2011
Article

Institutional Tax Clienteles and Payout Policy

By: Mihir Desai and Li Jin

This paper employs heterogeneity in institutional shareholder tax characteristics to identify the relation between firm payout policy and tax incentives. Analysis of a panel of firms matched with the tax characteristics of the clients of their institutional... View Details

Keywords: Institutional Investors; Clienteles; Payout Policy; Private Equity; Investment; Taxation; Ownership Stake; Business and Shareholder Relations

2023
Working Paper

An Experimental Design for Anytime-Valid Causal Inference on Multi-Armed Bandits

By: Biyonka Liang and Iavor I. Bojinov

Typically, multi-armed bandit (MAB) experiments are analyzed at the end of the study and thus require the analyst to specify a fixed sample size in advance. However, in many online learning applications, it is advantageous to continuously produce inference on the... View Details

Keywords: Analytics and Data Science; AI and Machine Learning; Mathematical Methods

2024
Working Paper

Health, Human Capital Development and the Longevity of Japanese Elites Since 710

By: Tom Nicholas and Hiroshi Shimizu

We examine the lifespan of over 40,000 elites in Japan born between 710 and 1912, including samurai warriors, feudal lords, business, political, cultural, and religious leaders at the apex of the social hierarchy. Japanese elites experienced increases in lifespan about... View Details

Keywords: Life Expectancy; Status and Position; Health; History; Human Capital; Japan

10 Oct 2007
First Look

First Look: First Look: October 10

broad-based therapies. Instead, the focus should be on enrolling subpopulations, based on diagnostic testing, in trials of targeted drug treatments and on monitoring and assessing effectiveness after drugs... View Details

Keywords: Martha Lagace

2017
Working Paper

Investment Timing with Costly Search for Financing

By: Samuel Antill

I develop a dynamic model of investment timing in which firms must first choose when to search for external financing. Search is costly and the arrival of investors is uncertain, leading to delay in financing and investment. Depending on parameters, my model can... View Details

Keywords: Real Options; Search And Bargaining; Time-varying Financial Conditions; Investment; Venture Capital; Mathematical Methods

2021
Working Paper

Going to Extremes: Crucibles, Multiple Sensitive Periods, and Career Progression

By: Prithwiraj Choudhury, Sunasir Dutta, Hise O. Gibson and Eric Lin

We study the effects of crucible experiences along multiple sensitive periods on career progression. While prior literature has hinted that individuals can be imprinted during multiple sensitive periods, not just during the early career, there has been scant attention... View Details

Keywords: Jobs and Positions; Personal Development and Career; Management Skills; Human Capital

26 Mar 2019
First Look

New Research and Ideas, March 26, 2019

patient numbers in both NGO data and government registers by 20% and underreporting of treatment interruptions by 25%. We find no effect on worker or patient satisfaction. This suggests biometric technology... View Details

Keywords: Dina Gerdeman

03 Apr 2009
Working Paper Summaries

Applying the Care Delivery Value Chain: HIV/AIDS Care in Resource Poor Settings

Keywords: by Joseph Rhatigan, Sachin Jain, Joia S. Mukherjee & Michael E. Porter; Health

26 Apr 2019
HBS Seminar

Maryaline Catillon, Harvard University

The Impact of Patent Wars on Firm Strategy: Evidence from the Global Smartphone Industry

We investigate the effect of patent wars on firm strategy using data from the global smartphone market. In particular, we analyze how smartphone vendors not involved in patent litigation strategically respond to increased litigation risks in this industry. We find... View Details

February 2011
Article

Dividend Taxes and International Portfolio Choice

By: Mihir Desai and Dhammika Dharmapala

This paper investigates how dividend taxes influence portfolio choices, using the response to the distinctive treatment of a subset of foreign dividends in the Jobs and Growth Tax Relief Reconciliation Act (JGTRRA) of 2003. An open-economy after-tax capital asset... View Details

Keywords: Dividends; Portfolio Choice; Taxes; Tax Treaties; Foreign Portfolio Investment; Taxation; Lawfulness; Economy; Price; Equity; Stocks; Investment Portfolio; Opportunities; Behavior; United States