Publications

Article

Administrative Costs Associated with Physician Billing and Insurance-Related Activities at an Academic Health Care System

By: Phillip Tseng, Robert S. Kaplan, Barak D. Richman, Mahek A. Shah and Kevin A. Schulman

The federal government mandated adoption of certified electronic health record systems (EHR), at least in part, to reduce administrative costs for physicians. This study used time-driven activity-based costing to determine the administrative costs associated with... View Details

Keywords: Health Care and Treatment; Cost Management; Insurance; Problems and Challenges

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November 2012 (Revised June 2014)
Case

Boston Children's Hospital: Measuring Patient Costs (V)

By: Robert S. Kaplan, Mary L. Witkowski and Jessica A. Hohman

Keywords: Health Care; Time-Driven Activity-Based Costing; Costing; Hospitals; Activity Based Costing and Management

August 1980
Article

An Activity Analysis Approach to Unit Costing with Multiple Interactive Products

By: Robert S. Kaplan and Hiroyuki Itami

Keywords: Theory; Product

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May 2025
Article

Transaction Cost Economics in the Digital Economy: A Research Agenda

By: Frank Nagle, Robert Seamans and Steve Tadelis

Transaction cost economics theory explains when it is more efficient for a transaction between two parties to occur across the market or within an organization. How does transaction cost economics apply in the digital economy, which relies on digital transactions? In... View Details

Keywords: Transaction Cost Economics; Digital Economy; Economics; Cost; Markets; Research; Digital Transformation

September 2014
Article

Defining the Value of Proton Therapy Using Time-Driven Activity-Based Costing

By: N.G. Thaker, A.B. Guzman, Thomas W. Feeley, T.M. Jones, J.R. Incalcaterra, C. Kolom, S.J. Frank, L.S. Tatum, Ronald S. Walters, Scott B. Cantor, D.I. Rosenthal, A.S. Garden, G.B. Gunn, C.D. Fuller and M.B. Palmer

Technological innovations in radiation therapy (RT) have rapidly improved the quality of care for patients with head and neck cancer. Intensity-modulated proton therapy (MPT) holds promise of further improving outcomes compared with the current photon-based technique... View Details

Keywords: Time-Driven Activity-Based Costing; Health Care and Treatment; Technological Innovation; Activity Based Costing and Management

2020
Working Paper

Transaction Cost Economics in the Digital Economy: A Research Agenda

By: Frank Nagle, Robert Seamans and Steve Tadelis

Transaction Cost Economics (TCE) theory has played an important role in understanding when it is more efficient for a transaction between two parties to occur within the market or within an organization. However, as more transactions occur in a digitally-mediated... View Details

Keywords: Transaction Cost Economics; Digital Economy; Economics; Cost; Markets; Research; Digital Transformation

SSRN

February 8, 2022
Article

Time-Driven Activity-Based Cost Comparison of Treating Five Acute, Low-Severity Conditions

By: Alan Yang, Andy Hung-Yi Lee, Joseph W. Kopp, Katherine D. Rose, Adam M. Licurse, Philip D. Anderson and Robert S. Kaplan

In 2017, patients made 145 million visits to emergency departments (EDs), generating $76.3 billion in charges. About a third of ED visits, however, were for conditions that were treatable in lower-resourced settings. We used time-driven activity-based costing (TDABC)... View Details

Keywords: Time-Driven ABC; Health Care Costs; Activity Based Costing and Management; Health Care and Treatment

Article

Dissecting Costs of CT Study: Application of TDABC (Time-driven Activity-based Costing) in a Tertiary Academic Center

By: Robert S. Kaplan, Yoshimi Anzai, Marta E. Heilbrun, Derek Haas, Luca Boi, Kirk Moshre, Satoshi Minoshima and Vivian S. Lee

The lack of understanding the true costs (not charges) of delivering health care services poses tremendous challenges in the containment of health care costs. In this study, we applied an established cost accounting method, time-driven activity-based costing (TDABC),... View Details

Keywords: Healthcare Costs; Medical Imaging; Computed Tomography; Activity-Based Costing; Cost Accounting; Activity Based Costing and Management; Health Care and Treatment; Performance Efficiency; Health Industry

March 2005 (Revised March 2006)
Background Note

Activity-Based Costing and Capacity

By: Robert S. Kaplan

Discusses the use of budgeted rather than historical data in an activity-based costing (ABC) model and argues for calculating rates using practical capacity, not actual utilization. An ABC model need not be limited to analysis of historical data. When cost driver rates... View Details

Keywords: Activity Based Costing and Management; Accounting Industry

Web

Global Activities 2020

Global Activities 2019–2020 Deepening the global understanding of HBS students, faculty, staff, and alumni has long been a key component of the School’s efforts to fulfill its mission—to educate leaders who make a difference in the world.... View Details

Web

Global Activities 2020-2021 - Global Activities 2021

Global Activities 2021 REPORT In a year shaped by the pandemic, Harvard Business School’s global presence has enabled the School to be at the forefront of the study of emerging trends. Faculty members draw on the resources and expertise... View Details

Article

Total Cost Control in Project Management via Satisficing

By: Joel Goh and Nicholas G. Hall

We consider projects with uncertain activity times and the possibility of expediting, or crashing, them. Activity times come from a partially specified distribution within a family of distributions. This family is described by one or more of the following details about... View Details

Keywords: Project Management; Time And Cost Control; Robust Optimization; Satisficing; Linear Decision Rule; PERT; Management; Cost Management; Projects

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December 2017
Article

Overall Cost Comparison of Gastrointestinal Endoscopic Procedures with Endoscopist- or Anesthesia-Supported Sedation by Activity-Based Costing Techniques

By: Richard A. Helmers, James A. Dilling, Christopher R. Chaffee, Mark V. Larson, Bradly J. Narr, Derek A. Haas and Robert S. Kaplan

Endoscopic/Colonoscopic procedures are done either with gastroenterologist-administered conscious sedation or with anesthesia-administered sedation with propofol. Anesthesia-administered sedation has medical and patient benefits but is more expensive to administer. We... View Details

Keywords: Health Care and Treatment; Cost; Activity Based Costing and Management

April 2006 (Revised November 2020)
Background Note

Time-Driven Activity-Based Costing

By: Robert S. Kaplan

Introduces the role for time-driven activity-based costing. Identifies the value from an accurate costing model, describes the difficulties of traditional ABC, and illustrates how time-driven ABC provides a simpler and more powerful method. View Details

Keywords: Activity Based Costing and Management; Management Analysis, Tools, and Techniques; Value