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  • 15 Aug 2024
  • Op-Ed

Post-CrowdStrike, Six Questions to Test Your Company's Operational Resilience

team. They will be responsible for designing and maintaining the business continuity and disaster recovery management plan, ensuring a robust and effective response to potential disasters. Process: Maintaining the plan iteratively and conducting View Details
Keywords: by Hise Gibson and Anita Lynch
  • Forthcoming
  • Article

Variation in Batch Ordering of Imaging Tests in the Emergency Department and the Impact on Care Delivery

By: Jacob C. Jameson, Soroush Saghafian, Robert S. Huckman and Nicole Hodgson
Objectives: To examine heterogeneity in physician batch ordering practices and measure the impact of a physician's tendency to batch order imaging tests on patient outcomes and resource utilization.
Study Setting and Design: In this retrospective study, we used... View Details
Keywords: Health Care; Operations Management; Productivity; Health Care and Treatment; Operations; Outcome or Result; Resource Allocation; Health Industry; United States
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  • Article

Scenario Generation for Long Run Interest Rate Risk Assessment

By: Robert F. Engle, Guillaume Roussellet and Emil N. Siriwardane
We propose a statistical model of the term structure of U.S. treasury yields tailored for long-term probability-based scenario generation and forecasts. Our model is easy to estimate and is able to simultaneously reproduce the positivity, persistence, and factor... View Details
Keywords: Forecasting; Stress Testing; Interest Rates; Forecasting and Prediction; Risk Management; United States
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  • 23 Sep 2013
  • Working Paper Summaries

Applying Random Coefficient Models to Strategy Research: Testing for Firm Heterogeneity, Predicting Firm-Specific Coefficients, and Estimating Strategy Trade-Offs

Keywords: by Juan Alcácer, Wilbur Chung, Ashton Hawk & Gonçalo Pacheco-de-Almeida
  • 16 Feb 2016
  • News

Is your child taking a test? When is the right time?

  • August 2007
  • Article

Remedying Education: Evidence from Two Randomized Experiments in India

By: A. Banerjee, Shawn A. Cole, E. Duflo and L. Linden
This paper presents the results of two randomized experiments conducted in schools in urban India. A remedial education program hired young women to teach students lagging behind in basic literacy and numeracy skills. It increased average test scores of all children in... View Details
Keywords: Literacy; Teaching; Performance Improvement; Competency and Skills; India
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  • Article

Applying Random Coefficient Models to Strategy Research: Identifying and Exploring Firm Heterogeneous Effects

By: Juan Alcácer, Wilbur Chung, Ashton Hawk and Gonçalo Pacheco-de-Almeida
Strategy aims at understanding the differential effects of firms’ actions on performance. However, standard regression models estimate only the average effects of these actions across firms. Our paper discusses how random coefficient models (RCMs) may generate new... View Details
Keywords: Strategy; Research; Competitive Advantage; Competitive Strategy; Performance
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  • September 2004 (Revised January 2006)
  • Tutorial

Introduction to Cost Accounting Systems

By: David F. Hawkins, V.G. Narayanan, Jacob Cohen and Michele Jurgens
Covers the basics of cost system design, demonstrating in a clear, step-by-step fashion how costs are assigned to cost objects. Key concepts include direct and indirect costs, two-stage allocation, cost pools, and cost drivers. Also provides a brief review of several... View Details
Keywords: Cost Accounting; Cost; System
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  • Article

Update on E-liability Accounting

By: Robert Kaplan, Karthik Ramanna and Piyush Jha
Since publication of the original E-liability carbon accounting paper (HBR, Nov 2021), we created the E-liability Institute to help companies, governments, and nonprofits implement the method. The Institute’s mission is to test and validate the method, and develop... View Details
Keywords: Decarbonization; Carbon Footprint; Supply Chain; Environmental Sustainability; Environmental Accounting
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  • 06 Nov 2006
  • Research & Ideas

How South Africa Challenges Our Thinking on FDI

enduring strength of the corporate climate in South Africa, says Eric D. Werker, an assistant professor at Harvard Business School. Werker's case study, "Foreign Direct Investment and South Africa," to be published in December, shows that South Africa's... View Details
Keywords: by Martha Lagace
  • Article

The Hidden Costs of Initial Coin Offerings

By: Jeffrey J. Bussgang and Ramana Nanda
In recent years, much has been written about how the Blockchain is poised to transform traditional industries such as banking, real estate, and healthcare. More recently, it has gained attention as a way to finance new ventures, through what is known as an Initial Coin... View Details
Keywords: Initial Coin Offerings; Business Ventures; Entrepreneurship; Finance
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  • Research Summary

Statistical Methodology

William Simpson is developing methods of inference to use when assumptions of standard models are not met. He has created a hypothesis test to use for ipsative variables that adjusts for the non-zero correlations among variables expected under the null hypothesis. ... View Details

  • June 2008
  • Article

The Market for Mergers and the Boundaries of the Firm

By: Matthew Rhodes-Kropf and David Robinson
We relate the property rights theory of the firm to empirical regularities in the market for mergers and acquisitions. We first show that high market-to-book acquirers typically do not purchase low market-to-book targets. Instead, mergers pair together firms with... View Details
Keywords: Mergers and Acquisitions; Assets; Investment; Property; Mathematical Methods; Boundaries
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  • 23 Jan 2023
  • Research & Ideas

After High-Profile Failures, Can Investors Still Trust Credit Ratings?

answers the question, ‘Should we continue to rely on ratings, given all the times that ratings have been shown not to be correct?” Harvard Business School assistant professor Anywhere Sikochi and colleagues crunched thousands of ratings between 2003 and 2015 to View Details
Keywords: by Ben Rand
  • March 2010
  • Article

Correcting for Cross-Sectional and Time-Series Dependence in Accounting Research

By: Ian D. Gow, Daniel Taylor and Gaizka Ormazabal
We review and evaluate the methods commonly used in the accounting literature to correct for cross-sectional and time-series dependence. While much of the accounting literature studies settings in which variables are cross-sectionally and serially correlated, we find... View Details
Keywords: History; Cost of Capital; Activity Based Costing and Management; Performance Evaluation; Cost Accounting; Time Management; Research; Mathematical Methods; Equity; Borrowing and Debt; Accounting Audits; Accounting Industry
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  • 13 Dec 2022
  • Research & Ideas

The Color of Private Equity: Quantifying the Bias Black Investors Face

fund raised almost 50 percent of its goal, while the mean minority fund raised only about 25 percent. Follow-on funding One of the most surprising findings, say the researchers, was that Black- and Hispanic-owned funds are held to a higher View Details
Keywords: by Pamela Reynolds; Financial Services
  • March 2021
  • Article

Opting-in to Prosocial Incentives

By: Daniel Schwartz, Elizabeth A. Keenan, Alex Imas and Ayelet Gneezy
The design of effective incentive schemes that are both successful in motivating employees and keeping down costs is of critical importance. Research has demonstrated that prosocial incentives, where individuals’ effort benefits a charitable organization, can sometimes... View Details
Keywords: Incentives; Prosocial Behavior; Behavioral Economics; Field Experiments; Recycling; Prosocial Motivation; Decision Making; Motivation and Incentives; Behavior
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  • 2013
  • Working Paper

Non-Standard Matches and Charitable Giving

By: Michael Sanders, Sarah Smith and Michael I. Norton
Many organisations, including corporations and governments, wish to encourage charitable giving, and offer incentives for their employees, customers and citizens to do so. The most common of these incentives is a match rate, where the organisation agrees to pay, for... View Details
Keywords: Motivation and Incentives; Organizational Culture; Philanthropy and Charitable Giving
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  • Research Summary

An Uncomfortable Predictability Paradox

In predictive regressions, we test the null hypothesis that a predictor has no information about expected returns, i.e. beta equals zero.  However, the literature neglects to recognize that we are testing a joint hypothesis.  The maintained... View Details
  • Research Summary

Heteroskedasticity Autocorrelation Consistent Covariance Matrix Estimation with Wavelets

I propose a new HAC estimator based on the wavelet representation of the spectral density.  Whereas kernel-based HAC estimators [e.g. Newey West (1987) Andrews (1991)] have a fixed bandwidth, a wavelet estimator has bandwidths that vary across wavelet resolution... View Details