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Show Results For
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All HBS Web
(2,055)
- People (1)
- News (421)
- Research (1,462)
- Events (42)
- Multimedia (13)
- Faculty Publications (877)
- Research Summary
Valuation Theory and Practice
Timothy A. Luehrman's primary research interest is in the application of valuation methods to companies, businesses, and individual assets. Some of his work involves applications of tools originally developed for valuing derivative securities to the valuation of other...
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- 31 May 2020
- Working Paper Summaries
Demystifying the Math of the Coronavirus
- 2021
- Working Paper
Pandemic Schooling Mode and Student Test Scores: Evidence from U.S. States
By: Clare Halloran, Rebecca Jack, James C. Okun and Emily Oster
We estimate the impact of district-level schooling mode (in-person versus hybrid or distance learning) on test scores. We combine Spring 2021 state standardized test score data with comprehensive data on schooling in the 2020-21 school year across 12 states. We find...
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Keywords:
COVID-19 Pandemic;
In-person Schooling;
Distance Learning;
Outcomes Measurement;
Health Pandemics;
Education;
Performance Evaluation
Halloran, Clare, Rebecca Jack, James C. Okun, and Emily Oster. "Pandemic Schooling Mode and Student Test Scores: Evidence from U.S. States." NBER Working Paper Series, No. 29497, November 2021.
- 2021
- Other Unpublished Work
Computer-Implemented Methods and Systems for Measuring, Estimating, and Managing Economic Outcomes and Technical Debt in Software Systems and Projects: US Patent 11,126,427 B2
By: Daniel J. Sturtevant, Carliss Baldwin, Alan MacCormack, Sunny Ahn and Sean Gilliland
An interrelated set of tools and methods is disclosed for: (1) measuring the relationship between software source code attributes (such as code quality, design quality, test quality, and complexity metrics) and software economics outcome metrics (such as...
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Sturtevant, Daniel J., Carliss Baldwin, Alan MacCormack, Sunny Ahn, and Sean Gilliland. "Computer-Implemented Methods and Systems for Measuring, Estimating, and Managing Economic Outcomes and Technical Debt in Software Systems and Projects: US Patent 11,126,427 B2." Cambridge, MA, September 2021.
- May 2012
- Article
Measuring the Prevalence of Questionable Research Practices with Incentives for Truth-telling
By: Leslie K. John, George Loewenstein and Drazen Prelec
Cases of clear scientific misconduct have received significant media attention recently, but less flagrant transgressions of research norms may be more prevalent and in the long run more damaging to the academic enterprise. We surveyed over 2,000 psychologists about...
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Keywords:
Research;
Practice;
Motivation and Incentives;
Surveys;
Values and Beliefs;
Measurement and Metrics
John, Leslie K., George Loewenstein, and Drazen Prelec. "Measuring the Prevalence of Questionable Research Practices with Incentives for Truth-telling." Psychological Science 23, no. 5 (May 2012): 524–532.
- 02 May 2016
- HBS Seminar
Chiara Farronato, Harvard Business School
- November 2013 (Revised November 2014)
- Case
Freemium Pricing at Dropbox
By: Thales Teixeira and Elizabeth Anne Watkins
Online storage company Dropbox provided remote-storage over the internet of any type of computer file, along with file sharing, synchronization and backup. Using a freemium pricing strategy whereby a basic service was free-of-charge and a premium service was paid,...
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Teixeira, Thales, and Elizabeth Anne Watkins. "Freemium Pricing at Dropbox." Harvard Business School Case 514-053, November 2013. (Revised November 2014.)
- Research Summary
The Economics of Search
Utilizing data on web searches, we characterize the economics of search and estimate the path of diffusion for information, allowing us to specify how choice sets are actually formed among consumers and examine the impact of cybergeography vs. spatial geography. Joint...
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- 31 Mar 2018
- Working Paper Summaries
Expected Stock Returns Worldwide: A Log-Linear Present-Value Approach
- 30 Jun 2020
- News
What Coronavirus Researchers Can Learn From Economists
- 13 Oct 2021
- News
What’s Wrong with America’s Consumer-Price Index?
- 30 Jun 2019
- Working Paper Summaries
The Comprehensive Effects of Sales Force Management: A Dynamic Structural Analysis of Selection, Compensation, and Training
750 Gun Deaths a Year Are Prevented by Waiting Periods, Study Finds
State waiting periods for handgun purchases prevent about 750 gun deaths each year in the United States, new research has found.
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- November–December 2023
- Article
Keep Your AI Projects on Track
By: Iavor Bojinov
AI—and especially its newest star, generative AI—is today a central theme in corporate boardrooms, leadership discussions, and casual exchanges among employees eager to supercharge their productivity. Sadly, beneath the aspirational headlines and tantalizing potential...
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Keywords:
Generative Models;
AI and Machine Learning;
Success;
Failure;
Product Development;
Technology Adoption
Bojinov, Iavor. "Keep Your AI Projects on Track." Harvard Business Review 101, no. 6 (November–December 2023): 53–59.
- November 15, 2022
- Article
Using Simulations to Upskill Employees
By: Frank V. Cespedes, Trond Aas, Alex Hunt and Huw Newton-Hill
Reskilling employees tops the agenda in many organizations, according to a LinkedIn report. Korn Ferry estimates an 85-million person talent shortage by 2030, and McKinsey likens the challenge to the shift from agricultural to manufacturing work that occurred in the...
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Keywords:
Employee Engagement;
Managing People;
Talent Development;
Training;
Human Capital;
Experience and Expertise;
Talent and Talent Management;
Retention;
Personal Development and Career
Cespedes, Frank V., Trond Aas, Alex Hunt, and Huw Newton-Hill. "Using Simulations to Upskill Employees." Harvard Business Review (website) (November 15, 2022).
- May 2009 (Revised November 2010)
- Case
Depreciation at Delta Air Lines: The "Fresh Start"
By: William J. Bruns Jr.
In estimating depreciation for accounting purposes, Delta Air Lines has changed its assumptions about aircraft lifespan and residual values four times in the last thirty years or so. In the most recent changes, Delta adopted fair value accounting as part of its fresh...
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Keywords:
Accounting Policies;
Accounting Procedures;
Depreciation;
Bankruptcy;
Cost Accounting;
Financial Reporting;
Insolvency and Bankruptcy;
Policy;
Air Transportation Industry
Bruns, William J., Jr. Depreciation at Delta Air Lines: The "Fresh Start". Harvard Business School Brief Case 094-013, May 2009. (Revised November 2010.)
- 2007
- Working Paper
Evidence from Goodwill Non-impairments on the Effects of Unverifiable Fair-Value Accounting
By: Karthik Ramanna and Ross L. Watts
SFAS 142 requires firms to use unverifiable fair-value estimates to determine goodwill impairments. Standard setters suggest managers will use the discretion given by such estimates to convey private information on future cash flows, while agency theory predicts...
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Ramanna, Karthik, and Ross L. Watts. "Evidence from Goodwill Non-impairments on the Effects of Unverifiable Fair-Value Accounting." Harvard Business School Working Paper, No. 08-014, August 2007.
- August 2017 (Revised September 2018)
- Case
Accounting Turbulence at Boeing
By: Jonas Heese, Suraj Srinivasan, David Lane and James Barnett
Unlike its rival Airbus, Boeing had used a practice called program accounting to record its commercial aircraft expenses since the 1980s. Program accounting allowed Boeing to expense estimated average costs instead of the actual production costs of an aircraft. This...
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Keywords:
Asset Recognition;
Program Accounting;
Airline Industry;
Accounting;
Production;
Cost;
Air Transportation Industry
Heese, Jonas, Suraj Srinivasan, David Lane, and James Barnett. "Accounting Turbulence at Boeing." Harvard Business School Case 118-020, August 2017. (Revised September 2018.)
- 18 Oct 2013
- News
Google Climbs to Record High as Mobile Ads Dominate
- 2005
- Working Paper
Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements
By: Malcolm Baker, Lubomir Litov, Jessica Wachter and Jeffrey Wurgler
We consider measures of stock-picking skill of mutual fund managers based on the earnings announcement returns of the stocks that they hold and trade. Relative to standard approaches, this approach focuses on an especially informative subset of the returns data,...
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Keywords:
Stocks;
Asset Management;
Business Earnings;
Forecasting and Prediction;
Competency and Skills
Baker, Malcolm, Lubomir Litov, Jessica Wachter, and Jeffrey Wurgler. "Can Mutual Fund Managers Pick Stocks? Evidence from Their Trades Prior to Earnings Announcements." NBER Working Paper Series, No. w10685, February 2005. (First Draft in 2004.)