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ralph lauren polo

 
Pedro Macedo and Elvira Silva
 
''A stochastic production frontier model with a translog specification using the generalized maximum entropy estimator''
( 2010, Vol. 30 No.1 )
 
 
In this paper, an empirical application of the generalized maximum entropy estimator in a stochastic production frontier model with a translog specification is discussed to investigate technical efficiency in a wine region of Portugal. The empirical results indicate technical progress over the time period of the sample and an increasing technical inefficiency over time. All production units are technically inefficient, although wine cooperatives are less inefficient than private firms.
 
 
Keywords: stochastic frontier analysis, generalized maximum entropy, technical efficiency, translog
JEL: C1 - Econometric and Statistical Methods: General
Q1 - Agriculture: General
 
Manuscript Received : Apr 24 2009 Manuscript Accepted : Feb 17 2010

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