Publications
Publications
Show Results For
-
All HBS Web
(125)
- Faculty Publications (26)
Page 1 of
26
Results
→
- March 2021
- Article
The Customer May Not Always Be Right: Customer Compatibility and Service Performance
This paper investigates the impact of customer compatibility – the degree of fit between the needs of customers and the capabilities of the operations serving them – on customer experiences and firm performance. We use a variance decomposition analysis to quantify the...
View Details
- Article
Are Cost Advantages from a Modern Indian Hospital Transferable to the United States?
By: R. S. Kaplan, F. Erhun, V.G. Narayanan, B. Mistry and K. Brayton, et al
We use time-driven activity-based costing to estimate the cost of personnel and space for an elective coronary artery bypass graft (CABG) surgery at two U.S. hospitals, Intermountain and Baylor Heart, and Narayana Health (NH), in India. All three hospitals use modern...
View Details
- Article
Machine Learning Approaches to Facial and Text Analysis: Discovering CEO Oral Communication Styles
By: Prithwiraj Choudhury, Dan Wang, Natalie A. Carlson and Tarun Khanna
We demonstrate how a novel synthesis of three methods—(1) unsupervised topic modeling of text data to generate new measures of textual variance, (2) sentiment analysis of text data, and (3) supervised ML coding of facial images with a cutting-edge convolutional neural...
View Details
- October 2016 (Revised October 2018)
- Background Note
Cost Variance Analysis
By: Robert S. Kaplan and Susanna Gallani
This note was written to provide students with fundamental concepts and methods for the analysis of cost variances. It focuses on the decomposition of cost variances into price, quantity, and mix variance components, an approach that allows students to identify the...
View Details
Keywords:
Cost Accounting
- September 2016 (Revised October 2018)
- Case
Springfield Hospital
By: Susanna Gallani and Robert Kaplan
One of the key roles of costing systems is to support the evaluation of performance and facilitate appropriate resource allocations. Through participation in a comparative cost study, management at Springfield Hospital, known for its heavy focus on operational...
View Details
- 2019
- Working Paper
The Customer May Not Always Be Right: Customer Compatibility and Service Performance
This paper investigates the impact of customer compatibility – the degree of fit between the needs of customers and the capabilities of the operations serving them – on customer experiences and firm performance. We use a variance decomposition analysis to quantify the...
View Details
- Article
Time-driven Activity-based Costing of Multivessel Coronary Artery Bypass Grafting across National Boundaries to Identify Improvement Opportunities: Study Protocol
By: F. Erhun, B. Mistry, T. Platcheck, A. Milstein, V.G. Narayanan and R. S. Kaplan
Coronary artery bypass graft (CABG) surgery is a common treatment for coronary artery disease—a disease that affects over 10% of US adults and is a major cause of morbidity and mortality. In 2005, the mean cost for a CABG procedure among Medicare beneficiaries in the...
View Details
- January 2013
- Case
Luotang Power: Variances Explained
By: Robert Simons and Craig Chapman
The general manager of Luotang Power, a coal-fired power plant located in central China, reviews annual results before a meeting with the board of directors. He thought the company performed well during the year and both plant availability and fuel economy had improved...
View Details
- January 2013 (Revised March 2017)
- Teaching Note
Luotang Power: Variances Explained (Brief Case)
By: Robert Simons and Craig Chapman
The primary objective is to explore the concepts of variance analysis in performance from one year to the next and the predictability of contracting counterparts to extract value from contract positions where they can. The general manager of a coal-fired power plant...
View Details
- 2011
- Working Paper
The Cost of Capital for Alternative Investments
By: Jakub W. Jurek and Erik Stafford
This paper studies the cost of capital for alternative investments. We document that the risk profile of the aggregate hedge fund universe can be accurately matched by a simple index put option writing strategy that offers monthly liquidity and complete transparency...
View Details
- March 2009
- Article
Applicant and Examiner Citations in U.S. Patents: An Overview and Analysis
By: Juan Alcacer, Michelle Gittelman and Bhaven Sampat
Prior art patent citations have become a popular measure of patent quality and knowledge flow between firms. Interpreting these measurements is complicated, in some cases, because prior art citations are added by patent examiners as well as by patent applicants. The...
View Details
- 2008
- Working Paper
Applicant and Examiner Citations in U.S. Patents: An Overview and Analysis
By: Juan Alcacer, Michelle Gittelman and Bhaven Sampat
Researchers studying innovation increasingly use indicators based on patent citations. However, it is well known that not all citations originate from applicants—patent examiners contribute to citations listed in issued patents—and that this could complicate...
View Details
- April 2006
- Module Note
Asset Allocation: A Half-Course Module Note
By: Luis M. Viceira
Provides an overview of the main ideas and structure of a 15-session module on long-term asset allocation designed for MBA graduate students and investment professionals. This module is taught as part of a full-length, 30-session elective class on investment management...
View Details
- August 2005 (Revised May 2007)
- Case
Partners Healthcare
By: Joshua D. Coval
Focuses on the portfolio allocation decision of a passive fund manager. Provides a setting to study portfolio theory, including mean-variance analysis, the capital market line, and the efficient frontier.
View Details
- September 2004 (Revised April 2005)
- Case
G.G. Toys
By: Dennis Campbell and Susan L. Kulp
This case highlights issues of management accounting and includes a review of product costing, excess capacity, variance analysis, and scrap costs.
View Details
- 2004
- Other Unpublished Work
Long-Horizon Mean-Variance Analysis: A User Guide
By: Luis M. Viceira and John Y. Campbell
Keywords:
Mathematical Methods
- Other Article
What Do We Know About Variance in Accounting Profitability?
By: Anita M. McGahan and Michael E. Porter
In this paper, we analyze the variance of accounting profitability among a broad cross-section of firms in the American economy from 1981 to 1994. The purpose of the analysis is to identify the importance of year, industry, corporate-parent, and business-specific...
View Details
- October 2000 (Revised March 2004)
- Background Note
Variance Analysis and Flexible Budgeting
By: Robert S. Kaplan
Facilitates the teaching of cases on variance analysis and flexible budgeting. Uses algebra, diagrams, and numerical examples to illustrate the calculation of price, quantity, and mix variances for revenues and costs, and a flexible budget for analyzing indirect and...
View Details
- Article
How Much Does Industry Matter, Really?
By: A. M. McGahan and M. E. Porter
In this paper, we examine the importance of year, industry, corporate-parent, and business-specific effects on the profitability of U.S. public corporations within specific 4-digit SIC categories. Our results indicate that year, industry, corporate-parent, and...
View Details
- April 1997
- Case
Peoria Engine Plant (A): (Abridged)
By: Robert S. Kaplan and Amy P. Hutton
Describes the cost control system used at an automobile engine plant for labor and overhead costs. The finance staff prepares daily, weekly, and monthly variance reports against budgets. Department supervisors, finance staff, and the plant manager discuss the use and...
View Details