Publications
Publications
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- All HBS Web
(722)
- Faculty Publications (95)
- 2021
- Working Paper
Population Interference in Panel Experiments
By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in... View Details
- 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
- November 2020
- Case
Guild Education: Unlocking Opportunity for America's Workforce
By: William A. Sahlman, Michael D. Smith, Nicole Tempest Keller and Alpana Thapar
Founded in 2015, Guild Education is an education marketplace that connects employers and universities to provide employees with ‘education as a benefit.’ The Denver-based company is transforming traditional tuition assistance programs by facilitating direct payment by... View Details
- Article
Cultural Diversity on Wall Street: Evidence from Consensus Earnings Forecasts
By: Kenneth Merkley, Roni Michaely and Joseph Pacelli
We examine how cultural differences among agents influence the aggregate outcome of a common forecasting task. Using both exogenous shocks to sell-side analyst diversity and panel regression methods, we find that increases in analyst cultural diversity positively... View Details
- Article
The Importance of Being Causal
By: Iavor I Bojinov, Albert Chen and Min Liu
Causal inference is the study of how actions, interventions, or treatments affect outcomes of interest. The methods that have received the lion’s share of attention in the data science literature for establishing causation are variations of randomized experiments.... View Details
- May 21, 2020
- Editorial
Primary Care Is Hurting: Why Aren't Private Insurers Pitching In?
By: Leemore S. Dafny and J. Michael McWilliams
Primary care clinicians are the front line for patients with suspected infection. We rely on them to diagnose, triage, and manage patients with potential or confirmed COVID infections. They are also responsible for keeping non-COVID medical conditions under control... View Details
- 2020
- Working Paper
On the Representativeness of Voter Turnout
By: Louis Kaplow and Scott Duke Kominers
Prominent theory research on voting uses models in which expected pivotality drives voters' turnout decisions and hence determines voting outcomes. It is recognized, however, that such work is at odds with Downs's paradox: in practice, many individuals turn out for... View Details
- February 2020
- Article
Effects of a Tournament Incentive Plan Incorporating Managerial Discretion in a Geographically Dispersed Organization
By: Carolyn Deller and Tatiana Sandino
Using retail chain data, we study the effects of a tournament incentive plan based primarily on objective performance, but incorporating managerial discretion in the selection of winners. In principle, such plans could motivate employees to perform both at a high... View Details
- 2019
- Article
Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading
By: Iavor I Bojinov and Neil Shephard
We define causal estimands for experiments on single time series, extending the potential outcome framework to dealing with temporal data. Our approach allows the estimation of a broad class of these estimands and exact randomization based p-values for testing causal... View Details
- August 2019 (Revised August 2022)
- Case
Baroo (A): Pet Concierge
By: Thomas R. Eisenmann and Susie L. Ma
Baroo CEO Lindsay Hyde was facing unrest from the board of her pet services startup in August 2017. One board member (and lead investor) was alarmed that Baroo’s growth was slowing while its appetite for funding was accelerating. Hyde wanted to hit the gas and continue... View Details
- July 2019 (Revised November 2022)
- Case
Momofuku Ando and the Globalization of Noodles
By: Geoffrey Jones and Megumi Takada
This case examines the entrepreneurial career of Momofuku Ando, the Taiwanese-born Japanese entrepreneur who pioneered instant boodles with his Chicken Ramen (1958) and Cup Noodle (1971) products. It begins by reviewing his many previous unsuccessful ventures,... View Details
- 2010
- Article
I May Not Agree With You, but I Trust You: Caring About Social Issues Signals Integrity
By: Julian Zlatev
What characteristics of an individual signal trustworthiness to other people? I propose that individuals who care about contentious social issues signal to observers that they have integrity and thus can be trusted. Critically, this signal conveys trustworthiness... View Details
- July 2018
- Article
Revisiting the Classical View of Benefit-Based Taxation
This article incorporates into modern optimal tax theory the classical logic of benefit‐based taxation in which an individual's benefit from the activities of the state is tied to his or her income‐earning ability. First‐best optimal policy is characterized... View Details
- Spring 2018
- Article
Henry Kissinger and Robert Mugabe: The Forgotten Connection via Remarkably Creative Negotiation
When Robert Mugabe was forced out of office in late 2017 after 37 years of increasingly brutal rule in Zimbabwe, he had been in the job so long that few recall how he got there. Fewer still remember that it was Henry Kissinger, whose complex, if unlikely, negotiations... View Details
- March 2018
- Article
How Context Affects Choice
By: Raphael Thomadsen, Robert P. Rooderkerk, On Amir, Neeraj Arora, Bryan Bollinger, Karsten Hansen, Leslie John, Wendy Liu, Aner Sela, Vishal Singh, K. Sudhir and Wendy Wood
Due to its origins in the literature on judgment and decision-making, context effects in marketing are construed exclusively in terms of how choices deviate from utility maximization principles as a function of how choices are presented (e.g., framing, sequence,... View Details
- December 2017 (Revised January 2018)
- Case
NatureSweet
By: Jose Alvarez, Forest Reinhardt and Natalie Kindred
This case describes the business model and workplace philosophy of NatureSweet, a privately owned, vertically integrated greenhouse grower and marketer of fresh tomatoes with sales across the United States and $329 million in 2016 revenues. CEO Bryant Ambelang treated... View Details
Keywords: NatureSweet; Tomatoes; Agriculture; Greenhouse; Ambelang; Cherry Tomatoes; Incentives; Worker Empowerment; Empowerment; Toyota Production System; Leadership; Branding; Produce; Manufacturing; Organizational Change; Agribusiness; Business Model; Employee Relationship Management; Working Conditions; Organizational Culture; Success; Problems and Challenges; Agriculture and Agribusiness Industry; Manufacturing Industry; United States; Mexico; North America
- October 5, 2017
- Article
Making Patients and Doctors Happier—The Potential of Patient-Reported Outcomes
By: Lisa Rotenstein, Robert S. Huckman and Neil Wagle
- September 2017
- Article
Time-Driven Activity-Based Costing to Estimate Cost of Care at Multidisciplinary Aerodigestive Centers
By: Robert S. Kaplan, Jordan A. Garcia, Bipin Mistry, Stephen Hardy, Mary Shannon Fracchia, Cheryl Hersh, Carissa Wentland, Joseph Vadakekalam and Christopher J. Hartnick
Time-driven activity-based costing was used to estimate the cost of care for patients with laryngeal cleft seen between 2008 and 2013 at the Massachusetts Eye and Ear Infirmary Pediatric Aerodigestive Center. Retrospective chart review was performed to identify clinic... View Details
- July 2017 (Revised September 2017)
- Case
Sampark Foundation: Transforming Primary Education in India
By: V. Kasturi Rangan and Shweta Bagai
Founders Vineet and Anupama Nayar had rapidly scaled their foundation to reach 3 million primary school children (grades 1 to 3) in two states with math and English programs. Their goal was to reach 10 million children by 2025 and completely spend down the $100 million... View Details
- April–May 2017
- Article
Career Concerns of Banking Analysts
By: Joanne Horton, George Serafeim and Shan Wu
We study how career concerns influence banking analysts' forecasts and how their forecasting behavior benefits both them and bank managers. We show that banking analysts issue early in the year relatively more optimistic and later in the year more pessimistic forecasts... View Details