Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 318377
Title Nonparametric efficiency estimation in stochastic environments
Author(s) Post, G.T.; Cherchye, L.; Kuosmanen, T.
Source Operations Research 50 (2002)4. - ISSN 0030-364X - p. 645 - 655.
DOI http://dx.doi.org/10.1287/opre.50.4.645.2854
Department(s) Environmental Economics and Natural Resources Group
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2002
Abstract This paper develops a new nonparametric model for efficiency estimation. In contrast to Data Envelopment Analysis (DEA), it does not impose debatable production assumptions like free disposability and convexity, and it does not assume that the data are measured without error. The estimators are asymptotically unbiased and have an asymptotic variance that is comparable to that of stochastic frontier estimators (provided the latter use a correct specification of the functional form for the production relationships). In addition, the estimators can be computed using a simple enumeration algorithm.
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