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Show Results For
- All HBS Web
(3,527)
- People (9)
- News (719)
- Research (2,162)
- Events (38)
- Multimedia (28)
- Faculty Publications (1,285)
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- Research Summary
Portfolio Betas Do Not Make for Better Asset Pricing Tests
Many papers claim that because using portfolios instead of individual stocks as test assets minimizes idiosyncratic volatility, their use also yields more precise estimates of risk premia. I show that while portfolio formation does lead to more efficient beta... View Details
- Research Summary
Bodies at Risk: Chemicals Testing in the United States and Europe
This book project examines environmental regulation comparatively between the United States and Europe, with a focus on testing programs and controls on the manufacture of commodity and specialty chemicals. Findings thus far indicate that different relations among... View Details
- October 2009
- Journal Article
Testing the Commitment Hypothesis in Contractual Settings: Evidence from Soccer
By: Oriol Carbonell and Diego A. Comin
This paper designs and implements an empirical test to discern whether the parties to a contract are able to commit not to renegotiate their agreement. We study optimal contracts with and without commitment and derive an exclusion restriction that is useful to identify... View Details
Carbonell, Oriol, and Diego A. Comin. "Testing the Commitment Hypothesis in Contractual Settings: Evidence from Soccer." Art. 1. Journal of Quantitative Analysis in Sports 5, no. 4 (October 2009).
- February 2008 (Revised August 2008)
- Case
EXACT Sciences Corp.: Commercializing a Diagnostic Test
This case addresses the challenges of commercializing molecular diagnostics. Along the way, it explains the technology, payment system, and the measures used to assess the value of a diagnostic test. View Details
Keywords: Health Testing and Trials; Genetics; Science-Based Business; Commercialization; Biotechnology Industry
Herzlinger, Regina E. "EXACT Sciences Corp.: Commercializing a Diagnostic Test." Harvard Business School Case 308-090, February 2008. (Revised August 2008.)
- 03 Mar 2008
- Working Paper Summaries
Testing a Purportedly More Learnable Auction Mechanism
- 2009
- Other Book
A Test of a Company's Business Model
By: Kenneth A. Merchant and Tatiana Sandino
Merchant, Kenneth A., and Tatiana Sandino. A Test of a Company's Business Model. Chartered Institute of Management Accountants, 2009.
- Response
Kiva as a Test of Our 'Societal Creativity'
Response to "Kiva and the Birth of Person-to-Person Microfinance" by Matt Flannery (Innovations case discussion) View Details
Austin, Robert D. "Kiva as a Test of Our 'Societal Creativity'." Innovations: Technology, Governance, Globalization 2, nos. 1/2 (Winter–Spring 2007): 57–62.
- Article
Organization Transformation as Punctuated Equilibrium: An Empirical Test
By: Michael Tushman and E. Romanelli
Tushman, Michael, and E. Romanelli. "Organization Transformation as Punctuated Equilibrium: An Empirical Test." Academy of Management Journal 37, no. 5 (October 1994): 1141–1166.
- January 1984 (Revised January 1989)
- Teaching Note
Teradyne, Inc.--1979: Semiconductor Test Division (A), Teaching Note
Teaching Note for (9-581-023). View Details
Keywords: Semiconductor Industry
- July – August 1996
- Article
Manage Marketing by the Customer Equity Test
By: Robert C. Blattberg and J. A. Deighton
Blattberg, Robert C., and J. A. Deighton. "Manage Marketing by the Customer Equity Test." Harvard Business Review 74, no. 4 (July–August 1996): 136–144.
- Article
Money is No Object: Testing The Endowment Effect in Exchange Goods
By: Dan Svirsky
We present a new experimental design to test whether the endowment effect exists for exchange goods, like money. We compare three groups to a baseline: one endowed with money, one endowed with chocolate coins, and one endowed with chocolate coins described as "tokens."... View Details
Svirsky, Dan. "Money is No Object: Testing The Endowment Effect in Exchange Goods." Journal of Economic Behavior & Organization 106 (October 2014): 227–234.
- 1972
- Chapter
The Capital Asset Pricing Model: Some Empirical Tests
By: Fischer Black, Michael C. Jensen and Myron Scholes
Black, Fischer, Michael C. Jensen, and Myron Scholes. "The Capital Asset Pricing Model: Some Empirical Tests." In Studies in the Theory of Capital Markets, edited by M. C. Jensen. New York: Praeger, 1972.
- June 23, 2021
- Article
Research: When A/B Testing Doesn't Tell You the Whole Story
By: Eva Ascarza
When it comes to churn prevention, marketers traditionally start by identifying which customers are most likely to churn, and then running A/B tests to determine whether a proposed retention intervention will be effective at retaining those high-risk customers. While... View Details
Keywords: Customer Retention; Churn; Targeting; Market Research; Marketing; Investment Return; Customers; Retention; Research
Ascarza, Eva. "Research: When A/B Testing Doesn't Tell You the Whole Story." Harvard Business Review Digital Articles (June 23, 2021).
- 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
Bojinov, Iavor I., and Neil Shephard. "Time Series Experiments and Causal Estimands: Exact Randomization Tests and Trading." Journal of the American Statistical Association 114, no. 528 (2019): 1665–1682.
- September 16, 2022
- Article
A Causal Test of the Strength of Weak Ties
By: Karthik Rajkumar, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson and Sinan Aral
The authors analyzed data from multiple large-scale randomized experiments on LinkedIn’s People You May Know algorithm, which recommends new connections to LinkedIn members, to test the extent to which weak ties increased job mobility in the world’s largest... View Details
Rajkumar, Karthik, Guillaume Saint-Jacques, Iavor I. Bojinov, Erik Brynjolfsson, and Sinan Aral. "A Causal Test of the Strength of Weak Ties." Science 377, no. 6612 (September 16, 2022).
- 2018
- Working Paper
Detecting Anomalies: The Relevance and Power of Standard Asset Pricing Tests
By: Malcolm Baker, Patrick Luo and Ryan Taliaferro
The two standard approaches for identifying capital market anomalies are cross-sectional coefficient tests, in the spirit of Fama and MacBeth (1973), and time-series intercept tests, in the spirit of Jensen (1968). A new signal can pass the first test, which we label a... View Details
Keywords: Investment Management; Anomalies; Portfolio Construction; Transaction Costs; Investment; Management; Asset Pricing; Market Transactions; Cost
Baker, Malcolm, Patrick Luo, and Ryan Taliaferro. "Detecting Anomalies: The Relevance and Power of Standard Asset Pricing Tests." Working Paper, July 2018.
- Article
Design and Testing of a Mobile Health Application Rating Tool
By: David Levine, Zo Co, Lisa Newmark, Alissa Groisser, A Jay Holmgren, Jennifer Haas and David Bates
Mobile health applications (“apps”) have rapidly proliferated, yet their ability to improve outcomes for patients remains unclear. A validated tool that addresses apps’ potentially important dimensions has not been available to patients and clinicians. The objective of... View Details
Levine, David, Zo Co, Lisa Newmark, Alissa Groisser, A Jay Holmgren, Jennifer Haas, and David Bates. "Design and Testing of a Mobile Health Application Rating Tool." Art. 74. npj Digital Medicine 3 (2020).
- 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... View Details
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.
- September 2012 (Revised December 2013)
- Supplement
Intel: Strategic Decisions in Locating a New Assembly and Test Plant (B)
By: Juan Alcacer and Kerry Herman
In February 2006, Intel has selected the location for its new assembly and test plant. This case discusses why this location was chosen from the list of possibilities introduced in "Intel: Strategic Decisions in Locating a New Assembly and Test Plant (A)." View Details
Keywords: Location Choices; Location Strategies; Strategy; Geographic Location; Global Strategy; Technology; Technology Industry; United States; Viet Nam
Alcacer, Juan, and Kerry Herman. "Intel: Strategic Decisions in Locating a New Assembly and Test Plant (B)." Harvard Business School Supplement 713-419, September 2012. (Revised December 2013.)
- 12 Dec 2023
- Research & Ideas
COVID Tested Global Supply Chains. Here’s How They’ve Adapted
Global supply chains took some heat during the COVID-19 pandemic, with consumers waiting months for goods and politicians wringing their hands over trade policy. “Reshoring” is one of the hottest new corporate buzzwords, as many companies look to move some... View Details
Keywords: by Scott Van Voorhis