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Applied Economics Letters Volume 18, 2011 - Issue 3
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Original Articles

Time-varying X-efficiency: evidence from US property casualty insurers

Peng Shi Division of Statistics, Northern Illinois University, DuSable Hall 366, DeKalb, IL, 60115, USA
&
Wei Zhang Department of Economics, Northern Illinois University, Zulauf Hall 515, DeKalb, IL, 60115, USACorrespondence[email protected]
Pages 217-221 | Published online: 12 Oct 2010

References

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  • Lee , Y. and Schmidt , P. 1993 . “ A production frontier model with flexible temporal variation in technical efficiency ” . In The Measurement of Productive Efficiency: Techniques and Applications , Edited by: Fried , H. O. , Lovell , C. A. K. and Schmidt , S. S. 237 – 55 . New York : Oxford University Press .
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