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  1. 1
    Count data stochastic frontier models, with an application to the patents-RandD relationship

    Count data stochastic frontier models, with an application to the patents-RandD relationship 由 Fé, E, Hofler, R

    出版 2013
    Journal article
  2. 2
    Count data stochastic frontier models, with an application to the patents-RandD relationship

    Count data stochastic frontier models, with an application to the patents-RandD relationship 由 Fé, E, Hofler, R

    出版 2012
    Journal article

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