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Show Results For
- All HBS Web
(3,502)
- People (1)
- News (547)
- Research (2,683)
- Events (10)
- Multimedia (5)
- Faculty Publications (1,425)
- 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
Kaplan, Robert S., Yoshimi Anzai, Marta E. Heilbrun, Derek Haas, Luca Boi, Kirk Moshre, Satoshi Minoshima, and Vivian S. Lee. "Dissecting Costs of CT Study: Application of TDABC (Time-driven Activity-based Costing) in a Tertiary Academic Center." Academic Radiology 24, no. 2 (February 2017): 200–208.
- 1990
- Chapter
Analysis of Cost Variances for Management Control in Hospitals
By: S. Datar, R. Banker and S. Das
- February 1997 (Revised July 2001)
- Background Note
Introduction to Activity-Based Costing
By: Robert S. Kaplan
Introduces the fundamental notions of activity-based costing (ABC). Motivates ABC by means of a simple example, a single and a diversified pen factory. Proceeds to show how ABC assigns costs more accurately to products and customers by: 1) identifying the activities... View Details
Keywords: Activity Based Costing and Management
Kaplan, Robert S. "Introduction to Activity-Based Costing." Harvard Business School Background Note 197-076, February 1997. (Revised July 2001.)
- August 1994 (Revised May 1997)
- Case
Olympus Optical Company, Ltd. (A): Cost Management for Short Life Cycle Products
Explores Olympus Optical's strategic response to major losses in its camera business. Key to Olympus's recovery were its extensive product planning process, a quality improvement program, and an aggressive cost-reduction program. In particular, the case details... View Details
Keywords: Cost Management; Product Design; Business Strategy; Product Development; Consumer Products Industry
Cooper, Robin. "Olympus Optical Company, Ltd. (A): Cost Management for Short Life Cycle Products." Harvard Business School Case 195-072, August 1994. (Revised May 1997.)
- 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
Kaplan, Robert S. "Time-Driven Activity-Based Costing." Harvard Business School Background Note 106-068, April 2006. (Revised November 2020.)
- October 1991 (Revised May 1993)
- Background Note
Brief Introduction to Cost Accounting
By: William J. Bruns Jr.
Introduces the reasons for and basics of cost accounting and cost management systems. Simple definitions of forms used in cost accounting are included. Cost behavior is discussed. Questions to which answers are needed when analyzing or designing a cost system are... View Details
Bruns, William J., Jr. "Brief Introduction to Cost Accounting." Harvard Business School Background Note 192-068, October 1991. (Revised May 1993.)
- 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
Kaplan, Robert S. "Activity-Based Costing and Capacity." Harvard Business School Background Note 105-059, March 2005. (Revised March 2006.)
- October 2000 (Revised April 2001)
- Case
Cost of Capital at Ameritrade
By: Mark L. Mitchell and Erik Stafford
Ameritrade Holding Corp. is planning large marketing and technology investments to improve the company's competitive position in deep-discount brokerage by taking advantage of emerging economies of scale. In order to evaluate whether the strategy would generate... View Details
Keywords: Developing Countries and Economies; Asset Pricing; Cash Flow; Cost of Capital; Investment; Marketing; Mathematical Methods; Competition; Information Technology; Internet and the Web; Financial Services Industry
Mitchell, Mark L., and Erik Stafford. "Cost of Capital at Ameritrade." Harvard Business School Case 201-046, October 2000. (Revised April 2001.)
- 1999
- Chapter
Activity-Based Costing
By: Robert S. Kaplan
Keywords: Activity Based Costing and Management
- November 1991 (Revised August 1994)
- Background Note
Relevant Costs and Revenues
Develops the idea that the relevance of costs and revenues depends on what decisions are under consideration. Revenues and costs are relevant if they would be different under one decision choice than under the other. Teaching purpose: Basic background material for... View Details
Keywords: Decision Choices and Conditions; Cost; Revenue; Framework; Managerial Roles; Risk and Uncertainty
Schleifer, Arthur, Jr. "Relevant Costs and Revenues." Harvard Business School Background Note 892-010, November 1991. (Revised August 1994.)
- Article
Multi-Echelon Inventory Management Under Short-Term Take-or-Pay Contracts
By: Joel Goh and Evan L. Porteus
We extend the Clark–Scarf serial multi-echelon inventory model to include procuring production inputs under short-term take-or-pay contracts at one or more stages. In each period, each such stage has the option to order/process at two different cost rates; the cheaper... View Details
Keywords: Inventory Management; Multi-echelon Inventory Theory; Karush Lemma; Clark-Scarf Model; Convex Ordering Cost; Advance Commitments; Supply Chain
Goh, Joel, and Evan L. Porteus. "Multi-Echelon Inventory Management Under Short-Term Take-or-Pay Contracts." Production and Operations Management 25, no. 8 (August 2016): 1415–1429. (Finalist for 2014 POMS College of Supply Chain Management Student Paper Award.)
- 05 Jul 2006
- Working Paper Summaries
Time-Driven Activity-Based Costing
- 2025
- Working Paper
Management and Firm Dynamism
By: Nicholas Bloom, Jonathan S. Hartley, Raffaella Sadun, Rachel Schuh and John Van Reenen
We show better-managed firms are more dynamic in plant acquisitions, disposals, openings and closings in U.S. Census and international data. Better-managed firms also birth better-managed plants, and improve the performance of the plants they acquire. To explain these... View Details
Keywords: Management Practices; Productivity; Management Practices and Processes; Mergers and Acquisitions; Competition; Business or Company Management; Performance Productivity
Bloom, Nicholas, Jonathan S. Hartley, Raffaella Sadun, Rachel Schuh, and John Van Reenen. "Management and Firm Dynamism." Harvard Business School Working Paper, No. 25-052, April 2025.
- January 2002 (Revised February 2002)
- Case
Postgirot Bank and Provment AB: Managing the Cost of IT Operations
By: F. Warren McFarlan and Nancy Bartlett
Describes a specific approach for measuring the efficiency of the groups of computers inside an organization and suggests ways this tool may be used to reduce the company's computing investment while maintaining service. It is a software-enabled industrial engineering... View Details
Keywords: Cost Management; Investment; Management Analysis, Tools, and Techniques; Management Style; Information Technology; Applications and Software
McFarlan, F. Warren, and Nancy Bartlett. "Postgirot Bank and Provment AB: Managing the Cost of IT Operations." Harvard Business School Case 302-061, January 2002. (Revised February 2002.)
- 2014
- Book
Cost Accounting: A Managerial Emphasis
By: Charles T. Horngren, Srikant M. Datar and Madhav Rajan
Cost Accounting defined the cost accounting market and continues to innovate today by consistently integrating the most current practice and theory into the text. This acclaimed, market-leading text emphasizes the basic theme of "different costs for different... View Details
Horngren, Charles T., Srikant M. Datar, and Madhav Rajan. Cost Accounting: A Managerial Emphasis. 15th ed. Prentice Hall, 2014.
- June 2012
- Case
Siemens AG: Key Account Management
By: Thomas Steenburgh, Michael Ahearne and Elena Corsi
The key account manager of an engineering company has to convince a department to give up important contracts. The German engineering company Siemens had set up a global key account management program since 2010. The key account manager of an emerging account had been... View Details
Keywords: Key Account Management; Commercialization; Marketing; Marketing Management; Engineering; Marketing Strategy; Customer Relationship Management; Profit; Problems and Challenges; Electronics Industry; Consumer Products Industry; Europe
Steenburgh, Thomas, Michael Ahearne, and Elena Corsi. "Siemens AG: Key Account Management." Harvard Business School Case 512-110, June 2012.
- 24 Jan 2005
- Research & Ideas
Rethinking Activity-Based Costing
Activity-based costing, ABC, would seem to be an accurate way for managers to assign costs to the customers and products that use a department's services. But real-world use has shown ABC loses power in... View Details
Keywords: by Robert S. Kaplan & Steven R. Anderson
- 11 Apr 2007
- Research & Ideas
Adding Time to Activity-Based Costing
To improve any business, managers need to understand how much it costs to produce a profitable product. It seems a simple task, but the process of securing and analyzing the data can be incredibly complex... View Details
Keywords: by Sarah Jane Gilbert
- 2017
- Working Paper
Management as a Technology?
By: Nicholas Bloom, Raffaella Sadun and John Van Reenen
Are some management practices akin to a technology that can explain firm and national productivity, or do they simply reflect contingent management styles? We collect data on core management practices from over 11,000 firms in 34 countries. We find large cross-country... View Details
Keywords: Management Practices; Productivity; Competition; Management Practices and Processes; Performance Productivity
Bloom, Nicholas, Raffaella Sadun, and John Van Reenen. "Management as a Technology?" Harvard Business School Working Paper, No. 16-133, June 2016. (Revised October 2017.)
- October 2022
- Article
It’s Not Just the Prices: Time-Driven Activity-Based Costing for Initiation of Veno-Venous Extracorporeal Membrane Oxygenation at Three International Sites—A Case Review
By: Michael Nurok, Vin Pellegrino, Marc Pineton de Chambrun, Jonathan Warsh, Meredith Young, Erik Dong, Neil Parrish, Syed Shehab, Alain Combes and Robert S. Kaplan
The United States spends more for intensive care units (ICUs) than do other high-income countries. We used time-driven activity-based costing (TDABC) to analyze ICU costs for initiation of extracorporeal membrane oxygenation (ECMO) for respiratory failure to estimate... View Details
Keywords: Healthcare; Cost; Time-Driven ABC; Health Care and Treatment; Cost Management; Activity Based Costing and Management; Health Industry
Nurok, Michael, Vin Pellegrino, Marc Pineton de Chambrun, Jonathan Warsh, Meredith Young, Erik Dong, Neil Parrish, Syed Shehab, Alain Combes, and Robert S. Kaplan. "It’s Not Just the Prices: Time-Driven Activity-Based Costing for Initiation of Veno-Venous Extracorporeal Membrane Oxygenation at Three International Sites—A Case Review." Anesthesia & Analgesia 135, no. 4 (October 2022): 711–718.