Productivity and efficiency estimation: A semiparametric stochastic cost frontier approach
Kai Sun (),
Subal Kumbhakar () and
Ragnar Tveterås ()
European Journal of Operational Research, 2015, vol. 245, issue 1, 194-202
This paper proposes a flexible stochastic cost frontier panel data model where the technology parameters are unknown smooth functions of firm- and time-effects, which non-neutrally shift the cost frontier. The model decomposes inefficiency into firm and time-specific components and productivity change into inefficiency change, technical change and scale change. We then apply the proposed methodology to the Norwegian salmon production data and analyze technical efficiency as well as productivity changes.
Keywords: Economics; Cost function; Semiparametric smooth coefficient model; Stochastic frontier model; Decomposition (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:245:y:2015:i:1:p:194-202
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