Publications

2023
Working Paper

Causal Interpretation of Structural IV Estimands

By: Isaiah Andrews, Nano Barahona, Matthew Gentzkow, Ashesh Rambachan and Jesse M. Shapiro

We study the causal interpretation of instrumental variables (IV) estimands of nonlinear, multivariate structural models with respect to rich forms of model misspecification. We focus on guaranteeing that the researcher's estimator is sharp zero consistent, meaning... View Details

Keywords: Mathematical Methods

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12 Mar 2019
First Look

New Research and Ideas, March 12, 2019

emergent machine of the sovereign state. Yet such strategic interaction rarely yielded a decisive victory for either the secular state or for religion. By tracing how state-builders engaged religious institutions, elites, and attachments,... View Details

Keywords: Dina Gerdeman

2013
Working Paper

How the Zebra Got Its Stripes: Imprinting of Individuals and Hybrid Social Ventures

By: Matthew Lee and Julie Battilana

Hybrid organizations that combine multiple, existing organizational forms are frequently proposed as a source of organizational innovation, yet little is known about the origins of such organizations. We propose that individual founders of hybrid organizations acquire... View Details

Keywords: Hybrid Organizations; Imprinting; Institutional Theory; Social Entrepreneurship; Organizations

SSRN

03 Nov 2009
First Look

First Look: Nov. 3

self-report of the licensee. The self-reporting aspect of the environment gives rise to demand for auditing by the licensor or third-party attestation by the licensee. We characterize the optimal royalty... View Details

Keywords: Martha Lagace

October 2016 (Revised September 2017)
Case

The CRISPR-Cas9 Quarrel

By: Richard G. Hamermesh and Matthew G. Preble

In mid-2016, the Broad Institute and the University of California, Berkeley were in the middle of a contentious patent dispute over which entity controlled a breakthrough gene editing technology called CRISPR-Cas9. With CRISPR-Cas9, scientists might soon be able to... View Details

Keywords: CRISPR; Broad Institute; University Of California Berkeley; Intellectual Property; Patents; Law; Lawsuits and Litigation; Science; Genetics; Entrepreneurship; Biotechnology Industry; United States

06 Mar 2018
First Look

First Look at Research and Ideas, March 6, 2018

provide insights into why and how investors use reported environmental, social, and governance (ESG) information. Relevance to investment performance is the most frequent motivation for use of ESG data followed by client demand and... View Details

Keywords: Sean Silverthorne

November 2002 (Revised June 2003)
Case

China's Rural Leap Forward

By: Bruce R. Scott and Jamie Matthews

Collectively owned township and village enterprises (TVEs) played a pivotal role in China's rapid growth during the 1980s and 1990s. Although they originated in the policies and institutions of the Maoist era, TVEs thrived only after Deng Xiaoping's economic reforms... View Details

Keywords: Business and Government Relations; Public Sector; Public Ownership; Development Economics; Governing Rules, Regulations, and Reforms; Macroeconomics; Emerging Markets; China

01 Mar 2011
First Look

First Look: March 1

costs. But to realize those benefits, the acquirer needs to achieve economies of scale by absorbing the target's resources into its operations. CEOs, who are often unrealistic about the performance boost from such acquisitions, must be... View Details

Keywords: Sean Silverthorne

Research Summary

Overview

By: Matthew C. Weinzierl

My academic research centers on uncovering and closing gaps between the theory and reality of tax policy. My main contribution has been to identify and address a mismatch between the goals for taxation typically assumed in theory and the goals the public and... View Details

February 2008
Supplement

Shinhan Financial Group (B)

By: Rosabeth Moss Kanter and Matthew J. Morgan

By 2007, there were many signs that the merger of Chohung and Shinhan banks to form the Shinhan Financial Group in 2003 had met its goals. Shinhan Financial Group's stock price had increased from $31 a share at its opening on the New York Stock Exchange in September... View Details

Keywords: Mergers and Acquisitions; Global Strategy; Expansion; Markets; Strategic Planning; South Korea

10 May 2011
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First Look: May 10

NEAD). NEAD chains create "bridge donors" whose incompatible recipients receive kidneys before the bridge donor donates, and so risk reneging by bridge donors, but offer the opportunity to create more transplants View Details

Keywords: Sean Silverthorne

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

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January 2018
Case

Kids & Company: Entering the U.S.

By: Boris Groysberg, Matthew G. Preble and Katherine Connolly Baden

In April 2017, Victoria Sopik and Jennifer Nashmi, CEO and CFO (respectively) of Kids & Company, a Canadian childcare provider that they had co-founded in the early 2000s and developed into a nearly 100-unit enterprise, are discussing how the company should proceed... View Details

2024
Working Paper

Warnings and Endorsements: Improving Human-AI Collaboration Under Covariate Shift

By: Matthew DosSantos DiSorbo and Kris Ferreira

Problem definition: While artificial intelligence (AI) algorithms may perform well on data that are representative of the training set (inliers), they may err when extrapolating on non-representative data (outliers). These outliers often originate from covariate shift,... View Details

Keywords: AI and Machine Learning; Decision Choices and Conditions

February 2012 (Revised June 2012)
Case

Rospil.info

By: Paul Healy, Karthik Ramanna and Matthew Shaffer

What should business leaders do about corruption? In December 2011, four HBS alumni met to debate how to engage the unprecedented protests against Vladimir Putin's corrupt government, which had erupted in Russia in response to alleged fraud in the recent parliamentary... View Details

Keywords: Leadership; Crime and Corruption; Government and Politics; Social and Collaborative Networks; Blogs; Information Industry; Russia

17 May 2011
First Look

First Look: May 17

valuations in first financing rounds. Further econometric tests suggest that, as predicted by the theory, this effect is driven by unobservable heterogeneity, and it is more pronounced in teams that make... View Details

Keywords: Sean Silverthorne

16 Mar 2010
First Look

First Look: March 16

authority. This three-level structure closely parallels that of all organized team sports. The play on the field is like the markets of capitalism, and the actions of the players are regulated by referees who enforce a set of rules... View Details

Keywords: Martha Lagace

Article

A 680,000-Person Megastudy of Nudges to Encourage Vaccination in Pharmacies

By: Katherine L. Milkman, Linnea Gandhi, Mitesh S. Patel, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Jake Rothschild, Jonathan E. Bogard, Ilana Brody, Christopher F. Chabris, Edward Chang, Gretchen B. Chapman, Jennifer E. Dannals, Noah J. Goldstein, Amir Goren, Hal Hershfield, Alex Hirsch, Jillian Hmurovic, Samantha Horn, Dean Karlan, Ariella S. Kristal, Cait Lamberton, Michael N. Meyer, Allison H. Oakes, Maurice E. Schweitzer, Maheen Shermohammed, Jaochim H. Talloen, Caleb Warren, Ashley V. Whillans, Kuldeep N. Yadav, Julian J. Zlatev, Ron Berman, Chalanda N. Evans, Rahul Ladhania, Jens Ludwig, Nina Mazar, Sendhil Mullainathan, Christopher K. Snider, Jann Spiess, Eli Tsukayama, Lyle Ungar, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth

Encouraging vaccination is a pressing policy problem. To assess whether text-based reminders can encourage pharmacy vaccination and what kinds of messages work best, we conducted a megastudy. We randomly assigned 689,693 Walmart pharmacy patients to receive one of 22... View Details

Keywords: Vaccination; Vaccines; Nudges; Communication Strategy; Communication Technology; Consumer Behavior; Health Care and Treatment

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