Baker, RD 2005, 'Risk aversion in maintenance: overmaintenance and the principal-agent problem.' , IMA Journal of Management Mathematics, 17 (2) , pp. 99-113.

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Abstract

The concept of a risk-averse maintenance policy is introduced, and two approaches to modelling it are discussed, the first being via utility functions, and the second via inflation of the costs of unscheduled failures. After introducing a general methodology, several examples of its application are given. Principal-agent theory is then applied to the case of a maintenance engineer (the agent) who overmaintains equipment due to excessive risk aversion. Incentives based on the total cost of maintenance and failures can reduce overmaintenance, and it may be optimal for management to pay such an incentive. The problem is illustrated with an example of block maintenance. Suggestions for further work in this field are made. Keywords: utility function; overmaintenance; block maintenance; age-based replacement; principal-agent problem; incentives

Item Type:	Article
Themes:	Subjects / Themes > Q Science > QA Mathematics > QA275 Mathematical Statistics Subjects outside of the University Themes
Schools:	Colleges and Schools > College of Business & Law > Salford Business School > Operations and Global Logistics Management
Journal or Publication Title:	IMA Journal of Management Mathematics
Publisher:	Oxford University Press
Refereed:	Yes
ISSN:	1471-678X
Depositing User:	H Kenna
Date Deposited:	21 Aug 2007 09:15
Last Modified:	17 Apr 2013 13:23
URI:	http://usir.salford.ac.uk/id/eprint/263

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