Manheim, David (2018): Building Less Flawed Metrics.
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Abstract
Metrics are useful for measuring systems and motivating behaviors. Unfortunately, naive application of metrics to a system can distort the system in ways that undermine the original goal. The problem was noted independently by Campbell and Goodhart, and in some forms it is not only common, but unavoidable due to the nature of metrics. There are two distinct but interrelated problems that must be overcome in building better metrics; first, specifying metrics more closely related to the true goals, and second, preventing the recipients from gaming the difference between the reward system and the true goal. This paper describes several approaches to designing metrics, beginning with design considerations and processes, then discussing specific strategies including secrecy, randomization, diversification, and post-hoc specification. Finally, it will discuss important desiderata and the trade-offs involved in each approach.
Item Type: | MPRA Paper |
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Original Title: | Building Less Flawed Metrics |
Language: | English |
Keywords: | Metrics, Goodhart's Law, Campbell's Law, Cobra Effect, Management, Control Theory |
Subjects: | D - Microeconomics > D8 - Information, Knowledge, and Uncertainty D - Microeconomics > D8 - Information, Knowledge, and Uncertainty > D80 - General I - Health, Education, and Welfare > I2 - Education and Research Institutions > I26 - Returns to Education I - Health, Education, and Welfare > I2 - Education and Research Institutions > I28 - Government Policy J - Labor and Demographic Economics > J4 - Particular Labor Markets > J48 - Public Policy Z - Other Special Topics > Z1 - Cultural Economics ; Economic Sociology ; Economic Anthropology > Z18 - Public Policy |
Item ID: | 90649 |
Depositing User: | David Manheim |
Date Deposited: | 21 Dec 2018 14:40 |
Last Modified: | 26 Sep 2019 18:16 |
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URI: | https://mpra.ub.uni-muenchen.de/id/eprint/90649 |
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