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- May 2022
- Article
Complex Disclosure
By: Ginger Zhe Jin, Michael Luca and Daniel Martin
We present evidence that unnecessarily complex disclosure can result from strategic incentives to shroud information. In our lab experiment, senders are required to report their private information truthfully, but can choose how complex to make their reports. We find...
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Keywords:
Disclosure;
Experiments;
Naiveté;
Overconfidence;
Corporate Disclosure;
Policy;
Information;
Complexity;
Strategy;
Consumer Behavior
Jin, Ginger Zhe, Michael Luca, and Daniel Martin. "Complex Disclosure." Management Science 68, no. 5 (May 2022): 3236–3261.
- March 2022
- Module Note
Linear Regression
By: Iavor I. Bojinov, Michael Parzen and Paul J. Hamilton
This note provides an overview of linear regression for an introductory data science course. It begins with a discussion of correlation, and explains why correlation does not necessarily imply causation. The note then describes the method of least squares, and how to...
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- March 2022
- Module Note
Prediction & Machine Learning
By: Iavor I. Bojinov, Michael Parzen and Paul J. Hamilton
This note provides an introduction to machine learning for an introductory data science course. The note begins with a description of supervised, unsupervised, and reinforcement learning. Then, the note provides a brief explanation of the difference between traditional...
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- 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
Keywords:
Health Care;
Electronic Health Records;
Productivity;
COVID-19 Pandemic;
Health Care and Treatment;
Health Pandemics;
Information Technology;
Performance Productivity;
United States
Holmgren, A Jay, Lance Downing, Mitchell Tang, Christopher Sharp, Christopher Longhurst, and Robert S. Huckman. "Assessing the Impact of the COVID-19 Pandemic on Clinician Ambulatory Electronic Health Record Use." Journal of the American Medical Informatics Association 29, no. 3 (March 2022): 453–460.
- Working Paper
Electoral Turnovers
By: Benjamin Marx, Vincent Pons and Vincent Rollet
In most national elections, voters face a key choice between continuity and change. Electoral turnovers occur when the incumbent candidate or party fails to win reelection. To understand how turnovers affect national outcomes, we study the universe of presidential and...
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Keywords:
Election Outcomes;
Regression Discontinuity Design;
Political Elections;
Change;
Global Range;
Outcome or Result;
Economy;
Governance;
Performance Improvement
Marx, Benjamin, Vincent Pons, and Vincent Rollet. "Electoral Turnovers." NBER Working Paper Series, No. 29766, February 2022.
- February 2022
- Article
Sugar-sweetened Beverage Purchases and Intake at Event Arenas with and without a Portion Size Cap
By: Sheri Volger, James Scott Parrott, Brian Elbel, Leslie K. John, Jason P. Block, Pamela Rothpletz-Puglia and Christina A. Roberto
This is the first real-world study to examine the association between a voluntary 16-ounce (oz.) portion-size cap on sugar-sweetened beverages (SSB) at a sporting arena on volume of SSBs and food calories purchased and consumed during basketball games. Cross-sectional...
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Keywords:
Sugar-sweetened Beverages;
Nutrition Policy;
Obesity Prevention;
Portion Sizes;
Nutrition;
Policy;
Health;
Behavior
Volger, Sheri, James Scott Parrott, Brian Elbel, Leslie K. John, Jason P. Block, Pamela Rothpletz-Puglia, and Christina A. Roberto. "Sugar-sweetened Beverage Purchases and Intake at Event Arenas with and without a Portion Size Cap." Art. 101661. Preventative Medicine Reports 25 (February 2022).
- 2022
- Working Paper
The Impact of Campaign Finance Rules on Candidate Selection and Electoral Outcomes: Evidence from France
By: Nikolaj Broberg, Vincent Pons and Clémence Tricaud
This paper investigates the effects of campaign finance rules on electoral outcomes. In French departmental and municipal elections, candidates competing in districts above 9,000 inhabitants face spending limits and are eligible for public reimbursement if they obtain...
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Keywords:
Political Elections;
Finance;
Governing Rules, Regulations, and Reforms;
Outcome or Result;
France
Broberg, Nikolaj, Vincent Pons, and Clémence Tricaud. "The Impact of Campaign Finance Rules on Candidate Selection and Electoral Outcomes: Evidence from France." NBER Working Paper Series, No. 29805, February 2022.
- January–February 2022
- Article
Operational Disruptions, Firm Risk, and Control Systems
By: William Schmidt and Ananth Raman
Operational disruptions can impact a firm's risk, which manifests in a host of operational issues, including a higher holding cost for inventory, a higher financing cost for capacity expansion, and a higher perception of the firm's risk among its supply chain partners....
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Keywords:
Operational Risk;
Operational Disruptions;
Information Asymmetry;
Control Systems;
Operations;
Disruption;
Risk Management
Schmidt, William, and Ananth Raman. "Operational Disruptions, Firm Risk, and Control Systems." Manufacturing & Service Operations Management 24, no. 1 (January–February 2022): 411–429.
- 2021
- Working Paper
The Impact of Financial Assistance Programs on Health Care Utilization
By: Alyce S. Adams, Raymond Kluender, Neale Mahoney, Jinglin Wang, Francis Wong and Wesley Yin
Most hospitals and managed care organizations have financial assistance programs that aim to reduce financial burdens and improve health care access for low-income patients. We use administrative data from Kaiser Permanente to study the effects of financial assistance...
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Keywords:
Healthcare;
Utilization;
Financial Assistance;
Health Care and Treatment;
Finance;
Programs;
Outcome or Result
Adams, Alyce S., Raymond Kluender, Neale Mahoney, Jinglin Wang, Francis Wong, and Wesley Yin. "The Impact of Financial Assistance Programs on Health Care Utilization." Harvard Business School Working Paper, No. 22-045, September 2021. (NBER Working Paper Series, No. 29227, September 2021.)
- August 2021
- Case
Precision Paint Co.
Describes a marketing director about to launch a new process for demand forecasting. Provides data that allow students to do a multivariable regression analysis. A rewritten version of an earlier case.
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Bojinov, Iavor I., Chiara Farronato, Janice H. Hammond, Michael Parzen, and Paul J. Hamilton. "Precision Paint Co." Harvard Business School Case 622-055, August 2021.
- July 2021
- Article
Multinationality and Capital Structure Dynamics: A Corporate Governance Explanation
By: Daniel Gyimah, Nana Abena Kwansa, Anthony K. Kyiu and Anywhere Sikochi
This paper examines the impact of corporate governance on capital structure dynamics. Using ordinary least squares regressions on 17,496 firm-year observations for 2,294 U.S. multinational companies (MNCs) over the period 1990–2018, we find that MNCs with strong...
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Keywords:
Multinationality;
Speed Of Adjustment;
Corporate Governance;
Multinational Firms and Management;
Capital Structure
Gyimah, Daniel, Nana Abena Kwansa, Anthony K. Kyiu, and Anywhere Sikochi. "Multinationality and Capital Structure Dynamics: A Corporate Governance Explanation." Art. 101758. International Review of Financial Analysis 76 (July 2021).
- June 2021
- Technical Note
Introduction to Linear Regression
By: Michael Parzen and Paul J. Hamilton
This technical note introduces (from an applied point of view) the theory and application of simple and multiple linear regression. The motivation for the model is introduced, as well as how to interpret the summary output with regard to prediction and statistical...
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- May 2021
- Article
Choice Architecture in Physician–patient Communication: A Mixed-methods Assessment of Physicians' Competency
By: J. Hart, K. Yadav, S. Szymanski, A. Summer, A. Tannenbaum, J. Zlatev, D. Daniels and S.D. Halpern
Background: Clinicians’ use of choice architecture, or how they present options, systematically influences the choices made by patients and their surrogate decision makers. However, clinicians may incompletely understand this influence....
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Keywords:
Choice Architecture;
Health Care and Treatment;
Interpersonal Communication;
Decision Choices and Conditions;
Competency and Skills
Hart, J., K. Yadav, S. Szymanski, A. Summer, A. Tannenbaum, J. Zlatev, D. Daniels, and S.D. Halpern. "Choice Architecture in Physician–patient Communication: A Mixed-methods Assessment of Physicians' Competency." BMJ Quality & Safety 30, no. 5 (May 2021).
- January 2021
- Article
Machine Learning for Pattern Discovery in Management Research
By: Prithwiraj Choudhury, Ryan Allen and Michael G. Endres
Supervised machine learning (ML) methods are a powerful toolkit for discovering robust patterns in quantitative data. The patterns identified by ML could be used for exploratory inductive or abductive research, or for post-hoc analysis of regression results to detect...
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Keywords:
Machine Learning;
Supervised Machine Learning;
Induction;
Abduction;
Exploratory Data Analysis;
Pattern Discovery;
Decision Trees;
Random Forests;
Neural Networks;
ROC Curve;
Confusion Matrix;
Partial Dependence Plots;
AI and Machine Learning
Choudhury, Prithwiraj, Ryan Allen, and Michael G. Endres. "Machine Learning for Pattern Discovery in Management Research." Strategic Management Journal 42, no. 1 (January 2021): 30–57.
- Article
Resilience vs. Vulnerability: Psychological Safety and Reporting of Near Misses with Varying Proximity to Harm in Radiation Oncology
By: Palak Kundu, Olivia Jung, Amy C. Edmondson, Nzhde Agazaryan, John Hegde, Michael Steinberg and Ann Raldow
Background
Psychological safety, a shared belief that interpersonal risk taking is safe, is an important determinant of incident reporting. However, how psychological safety affects near-miss reporting is unclear, as near misses contain contrasting cues that... View Details
Psychological safety, a shared belief that interpersonal risk taking is safe, is an important determinant of incident reporting. However, how psychological safety affects near-miss reporting is unclear, as near misses contain contrasting cues that... View Details
Kundu, Palak, Olivia Jung, Amy C. Edmondson, Nzhde Agazaryan, John Hegde, Michael Steinberg, and Ann Raldow. "Resilience vs. Vulnerability: Psychological Safety and Reporting of Near Misses with Varying Proximity to Harm in Radiation Oncology." Joint Commission Journal on Quality and Patient Safety 47, no. 1 (January 2021): 15–22.
- 2020
- Working Paper
How Do CEOs Make Strategy?
We explore the critical question of how executives make strategic decisions. Utilizing a new survey of 262 CEO alumni of Harvard Business School, we gather evidence on four aspects of each executive’s business strategy: its overall structure, its formalization, its...
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Yang, Mu-Jeung, Michael Christensen, Nicholas Bloom, Raffaella Sadun, and Jan Rivkin. "How Do CEOs Make Strategy?" Harvard Business School Working Paper, No. 21-063, October 2020.
- 2020
- Working Paper
Determinants of Early-Stage Startup Performance: Survey Results
To explore determinants of new venture performance, the CEOs of 470 early-stage startups were surveyed regarding a broad range of factors related to their venture’s customer value proposition, product management, marketing, technology and operations, financial...
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Keywords:
Startups;
Survey Research;
Performance Analysis;
Entrepreneurship;
Performance;
Analysis;
Business Startups;
Failure;
Surveys
Eisenmann, Thomas R. "Determinants of Early-Stage Startup Performance: Survey Results." Harvard Business School Working Paper, No. 21-057, October 2020.
- 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...
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Keywords:
Culture;
Forecasting;
Sell-side Analysts;
Information Aggregation;
Diversity;
Forecasting and Prediction;
Information;
Performance Improvement
Merkley, Kenneth, Roni Michaely, and Joseph Pacelli. "Cultural Diversity on Wall Street: Evidence from Consensus Earnings Forecasts." Journal of Accounting & Economics 70, no. 1 (August 2020).
- August 2020
- Article
Volunteering and Subsequent Health and Well-Being in Older Adults: An Outcome-Wide Longitudinal Approach
By: Eric Kim, A.V. Whillans, Matt Lee, Ying Chen and Tyler VanderWeele
Background: Growing evidence documents strong associations between volunteering and favorable health and well-being outcomes. However, epidemiological studies have not evaluated whether changes in volunteering are associated with subsequent health and well-being...
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Kim, Eric, A.V. Whillans, Matt Lee, Ying Chen, and Tyler VanderWeele. "Volunteering and Subsequent Health and Well-Being in Older Adults: An Outcome-Wide Longitudinal Approach." American Journal of Preventive Medicine 59, no. 2 (August 2020): 176–186.
- May 2020
- Article
Ancient Origins of the Global Variation in Economic Preferences
By: Anke Becker, Benjamin Enke and Armin Falk
This paper shows that contemporary population-level heterogeneity in risk aversion, time preference, altruism, positive reciprocity, negative reciprocity, and trust partly traces back to the structure of the migration patterns of our very early ancestors. To document...
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Keywords:
Migration Patterns;
Behavioral Economics;
Preferences;
Microeconomics;
Demography;
Decision Making;
Risk and Uncertainty;
History;
Global Range
Becker, Anke, Benjamin Enke, and Armin Falk. "Ancient Origins of the Global Variation in Economic Preferences." AEA Papers and Proceedings 110 (May 2020): 319–323.