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  1. No Access

    Article

    Estimation of inefficiency in stochastic frontier models: a Bayesian kernel approach

    We propose a kernel-based Bayesian framework for the analysis of stochastic frontiers and efficiency measurement. The primary feature of this framework is that the unknown distribution of inefficiency is appro...

    Guohua Feng, Chuan Wang, **bin Zhang in Journal of Productivity Analysis (2019)

  2. Article

    Open Access

    Estimation of technical change and price elasticities: a categorical time–varying coefficient approach

    We propose a categorical time-varying coefficient translog cost function, where each coefficient is expressed as a nonparametric function of a categorical time variable, thereby allowing each time period to ha...

    Guohua Feng, Jiti Gao, **aohui Zhang in Journal of Productivity Analysis (2018)

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  3. No Access

    Article

    Productivity and efficiency at bank holding companies in the U.S.: a time-varying heterogeneity approach

    This paper investigates the productivity and efficiency of large bank holding companies (BHCs) in the United States over the period 2004–2013, by estimating a translog stochastic distance frontier (SDF) model ...

    Guohua Feng, Bin Peng, **aohui Zhang in Journal of Productivity Analysis (2017)