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The paper investigates the impact of subsidies and of para-agriculture on the technical efficiency of organic farms in Switzerland, Austria and Southern Germany. The data-set consists of bookkeeping data with 1,704 observations in the years 2003 to 2005. Technical efficiency is modelled using a...
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Simar and Wilson (J. Econometrics, 2007) provided a statistical model that can rationalize two-stage estimation of technical efficiency in nonparametric settings. Two-stage estimation has been widely used, but requires a strong assumption: the second-stage environmental variables cannot affect...
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envelopment analysis (DEA) is employed. Our empirical results show that the credit ranking scores will obviously affect the …
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contextual/environmental variables on hospital inefficiencies. Methods: A two-stage Data Envelopment Analysis (DEA) method is … the hospital-level efficiency scores are first estimated using DEA. In the second stage, the estimated DEA efficiency …
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