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    Article

    A hierarchical panel data stochastic frontier model for the estimation of stochastic metafrontiers

    This paper proposes a stochastic frontier model with three composed errors, and therefore six error components. As in the metafrontier literature, firms belong to groups with a group-specific frontier. A firm ...

    Christine Amsler, Yi Yi Chen, Peter Schmidt, Hung Jen Wang in Empirical Economics (2021)

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    Article

    A Bayesian estimator for stochastic frontier models with errors in variables

    A Bayesian estimator is proposed for a stochastic frontier model with errors in variables. The model assumes a truncated-normal distribution for the inefficiency and accommodates exogenous determinants of inef...

    Sheng-Kai Chang, Yi-Yi Chen, Hung-Jen Wang in Journal of Productivity Analysis (2012)