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    A Hierarchical Panel Data Model for the Estimation of Stochastic Metafrontiers: Computational Issues and an Empirical Application

    In the metafrontier literature, firms are put into groups, generally defined by technology or geography. Each group has its own technological frontier, and the metafrontier is the upper bound of these group fr...

    Christine Amsler, Yi Yi Chen, Peter Schmidt… in Advanced Mathematical Methods for Economic… (2023)