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1972
Chapter

The Capital Asset Pricing Model: Some Empirical Tests

By: Fischer Black, Michael C. Jensen and Myron Scholes

Keywords: Capital; Asset Pricing; Mathematical Methods

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

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April 2021
Teaching Note

Thingtesting: Launching a Brand Discovery and Testing Digital Community

By: Ayelet Israeli and Jill Avery

Teaching Note for the "Thingtesting: Launching a Brand Discovery and Testing Digital Community" HBS Case No. 520-086. View Details

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

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

Keywords: Job Mobility; Social Networks; Social Ties; Networks; Personal Development and Career

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October 6, 2020
Article

Test Your Board's Readiness for the Post-COVID Era

By: Lynn S. Paine

Research suggests that well-run boards take the process of self-evaluation quite seriously, often using a combination of director surveys and personal interviews to assess the functioning and effectiveness of the board, its committees, and its individual members. As... View Details

Keywords: Health Pandemics; Governing and Advisory Boards; Performance Evaluation

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2003
Other Unpublished Work

Testing Savings Product Innovations Using an Experimental Methodology

By: Nava Ashraf, Dean Karlan and Wesley Yin

Keywords: Saving; Financial Instruments; Innovation and Invention

January 2004
Article

Corporate Venturing: The Origins of Unilever's Pregnancy Test

By: Geoffrey Jones and Alison Kraft

The relative ability of different sizes of firm and organisational designs to develop and sustain dynamic capabilities in innovation and create new businesses remains a matter of contention. While Chandler among many others has emphasised the pre-eminent role of large... View Details

Keywords: Business Ventures; Organizational Design; Technological Innovation; Business Startups; Venture Capital; Brands and Branding; Multinational Firms and Management; Product Development; Product Launch; Corporate Entrepreneurship; Great Britain

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1987
Working Paper

Tests of Excess Forecast Volatility in the Foreign Exchange and Stock Markets

By: K. A. Froot

Simple regression tests that have power against the alternatives that asset prices and expected future asset returns are excessively volatile are developed and performed for the foreign exchange and stock markets. These tests have a number of advantages over... View Details

Keywords: Risk Aversion; Risk; International Investing; International Finance; Risk and Uncertainty; Asset Pricing; Financial Markets; Investment; Behavioral Finance; Volatility

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

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

Keywords: Health; Mobile Technology; Design; Analysis

October 1991 (Revised September 1994)
Case

GenRad, Inc.--1990 (A): At a Crossroads in Electronic Test

By: Benson P. Shapiro and Raphael R. Carty

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January 2022
Case

Steem versus Hive: Testing Blockchain Governance

By: Shikhar Ghosh and Shweta Bagai

Keywords: Blockchain

June 2017
Case

Theranos: Small Volume Blood Testing (A)

By: John A. Quelch and Irene Lu

September 2015 (Revised May 2017)
Case

Merieux NutriSciences: Marketing Food Safety Testing

By: John A. Quelch and Margaret L. Rodriguez

August 1980 (Revised June 1983)
Supplement

Teradyne, Inc.--1979: Semiconductor Test Division (B)

By: Benson P. Shapiro

Supplements the (A) case. View Details

Keywords: Semiconductor Industry

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16 Mar 2016
Video

Testing Your Social Venture: Iterating Based on Market Feedback

29 Jan 2019
News

Howard Schultz Is Just Testing The Waters, Expert Says

July 1999
Background Note

Note on Statistical Tests for a Randomized Matched Pair Experimental Design, A

By: Alvin J. Silk

Concerns understanding the conditions under which an experimental design that employs matching and randomization may result in gains in precision as compared to a design that utilizes randomization and independent samples--i.e., no matching. An empirical example is... View Details

Keywords: Marketing; Performance Efficiency; Mathematical Methods

January 2004 (Revised June 2004)
Case

Citigroup 2003: Testing the Limits of Convergence (A)

By: Lynda M. Applegate

Examines Citigroup's strategic transition and highlights issues that its newly announced CEO Charles Prince will face as he assumes leadership of this global financial corporation upon the retirement of its charismatic CEO, Sandy Weill. View Details

Keywords: Business Model; Globalized Firms and Management; Management Succession; Transformation; Banks and Banking; Banking Industry; Financial Services Industry

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