Publications
Publications
Show Results For
- All HBS Web
(7,457)
- Faculty Publications (1,851)
- March 2022
- Article
Assessing the Impact of the COVID-19 Pandemic on Clinician Ambulatory Electronic Health Record Use
By: A Jay Holmgren, Lance Downing, Mitchell Tang, Christopher Sharp, Christopher Longhurst and Robert S. Huckman
Objective: The COVID-19 pandemic changed clinician electronic health record (EHR) work in a multitude of ways. To evaluate how, we measure ambulatory clinician EHR use in the United States throughout the COVID-19 pandemic.
Materials and Methods: We use EHR... View Details
Materials and Methods: We use EHR... View Details
- Article
Expected Stock Returns Worldwide: A Log-Linear Present-Value Approach
By: Akash Chattopadhyay, Matthew R. Lyle and Charles C.Y. Wang
This study provides the first large-scale study of the performance of expected-return proxies (ERPs) internationally. Analyst-forecast-based ICCs are sparsely populated and not robustly associated with future returns. Earnings-model-forecast-based ICCs are... View Details
- 2022
- Chapter
Immigration Policy Levers for U.S. Innovation and Startups
By: William R. Kerr and Sari Pekkala Kerr
Immigrants account for about a quarter of US invention and entrepreneurship despite a policy environment that is not well suited for these purposes. This chapter reviews the U.S. immigration policy environment that governs how skilled migrants move to America for... View Details
- March 2022
- Article
Sensitivity Analysis of Agent-based Models: A New Protocol
By: Emanuele Borgonovo, Marco Pangallo, Jan Rivkin, Leonardo Rizzo and Nicolaj Siggelkow
Agent-based models (ABMs) are increasingly used in the management sciences. Though useful, ABMs are often critiqued: it is hard to discern why they produce the results they do and whether other assumptions would yield similar results. To help researchers address such... View Details
- 2022
- Article
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as... View Details
- March 2022
- Article
Winner Takes All? Tech Clusters, Population Centers, and the Spatial Transformation of U.S. Invention
By: Brad Chattergoon and William R. Kerr
U.S. invention has become increasingly concentrated around major tech centers since the 1970s, with implications for how much cities across the country share in concomitant local benefits. Is invention becoming a winner-takes-all race? We explore the rising spatial... View Details
- February 18, 2022
- Article
Transparency as a Solution for COVID-19 Related Hospital Capacity Issues
By: Regina E. Herzlinger and Richard Boxer
In the initial phases of the COVID-19 pandemic, many U.S. hospitals could not provide an adequate supply of beds to meet demand. Solving the problem of hospital bed capacity is of great importance in the “new normal,” which requires recognizing that SARS-CoV-2 is but... View Details
Keywords: COVID; COVID-19 Pandemic; Health Care; Health Care Demand; Health Care Delivery; Health Care Industry; Health Care Operations; Health Care Policy; Transparency; Hospital; Hospital Management; Hospitals; Health Pandemics; Health Care and Treatment; Service Delivery; Operations; Performance Capacity; Policy; Health Industry
- February 2022
- Case
Paul Polman
By: Elizabeth A. Keenan, Youngme Moon and Susie Ma
Over his 40-year career, Paul Polman had led some of the world’s largest consumer goods companies, making his biggest mark as CEO of Unilever—a multi-national corporation that produced everything from soap to soup. Polman was also well-regarded as a leader in corporate... View Details
- February 8, 2022
- Article
Time-Driven Activity-Based Cost Comparison of Treating Five Acute, Low-Severity Conditions
By: Alan Yang, Andy Hung-Yi Lee, Joseph W. Kopp, Katherine D. Rose, Adam M. Licurse, Philip D. Anderson and Robert S. Kaplan
In 2017, patients made 145 million visits to emergency departments (EDs), generating $76.3 billion in charges. About a third of ED visits, however, were for conditions that were treatable in lower-resourced settings. We used time-driven activity-based costing (TDABC)... View Details
- 2022
- Working Paper
The Routledge Handbook of Digital Consumption, Chapter 41: The Internet’s Effects on Consumption: Useful, Harmful, Playful
By: John A. Deighton and Leora Kornfeld
This chapter considers how digital culture has changed over the past decade, as the internet has grown its scope and user base. Billions around the world connect daily to an ever-expanding set of applications. A framework for thinking about digital effects is offered:... View Details
- 2022
- Working Paper
The Transformation of Self Employment
By: Innessa Colaiacovo, Margaret Dalton, Sari Pekkala Kerr and William R. Kerr
Over the past half-century, while self-employment has consistently accounted for around one in ten of the United States workforce, its composition has changed. Since 1970, industries with high startup capital requirements have declined from 53% of self-employment to... View Details
- February 2022
- Case
Business Roundtable 2019 Statement: A New Paradigm or Business as Usual?
By: Charles C.Y. Wang and Amram Migdal
This note focuses on the antecedents of, reactions to, and clarifications about The Business Roundtable’s August 19, 2019, “Statement on the Purpose of a Corporation.” The note includes background information on corporate governance as practiced in the United States in... View Details
- 2022
- Working Paper
Hate Crime Increases with Minoritized Group Rank
People are on the move in unprecedented numbers within and between countries. How does demographic change affect local intergroup dynamics? In complement to accounts that emphasize stereotypical features of groups as determinants of their treatment, we propose the... View Details
- 2024
- Working Paper
What Triggers National Stock Market Jumps?
By: Scott R. Baker, Nicholas Bloom, Steven J. Davis and Marco Sammon
We examine newspapers the day after major stock-market jumps to evaluate the proximate cause, geographic source, and clarity of these events from 1900 in the US, 1930 in the UK and 1980 in 12 other countries. We find four main results. First, the United States plays an... View Details
- January 2022
- Background Note
The Florange Law: Encouraging Long-Termism in Equity Markets?
By: Charles C.Y. Wang and Tonia Labruyere
This note provides background information on a French law (“the Florange law”) passed in 2014 that the French government said would encourage long-term shareholdings. The note describes the law, what led to it, the reactions it evoked, and similar initiatives in other... View Details
- January 2022
- Technical Note
Introduction to Capital Structure Analytics
By: Samuel Antill and Ted Berk
This technical note provides an overview of key analytical approaches that are useful in assessing the appropriateness of a firm’s capital structure and funding plan. This note introduces basic quantitative tools and metrics that are commonly used as inputs to this... View Details
- January 2022 (Revised September 2023)
- Teaching Note
MicroStrategy: Accounting for Cryptocurrency
By: Jonas Heese
Teaching Note for HBS Case No. 121-066. View Details
- January 2022 (Revised March 2022)
- Module Note
Analysis of Financial and Non-Financial Information for Forecasting Performance
This note describes the main themes and cases of a teaching module on the analysis of information from, and outside of, financial statements for forecasting firms’ future financial performance. The module’s pedagogical goal is to deepen students’ understanding of the... View Details
- January 2022 (Revised February 2022)
- Case
Introducing EVA at ISS: A Better Way to Evaluate CEO Performance and Compensation?
By: Jonas Heese, Charles C.Y. Wang and James Weber
In early 2019, Anthony Campagna, the global director of fundamental research at ISS EVA, a unit of the proxy advisory firm Institutional Shareholder Services (ISS), was preparing to release ISS's analyses of public company performance and CEO compensation ahead of Say... View Details