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    Università della Svizzera italiana

    Optimal size in the waste collection sector

    Antonioli, Barbara ; Filippini, Massimo

    The purpose of this study is to analyze the cost structure of a sample of Italian waste collection firms in order to assess economies of scale and density and, therefore, to define the optimal size of the firms in this sector. A total and a variable translog cost function were estimated using panel data for a sample of 30 firms of waste collection and disposal operating at the provincial level...

    Università della Svizzera italiana

    The use of a variable cost function in the regulation of the Italian water industry

    Antonioli, Barbara ; Filippini, Massimo

    The purpose of this study is to estimate a multivariate variable cost function in order to analyze the cost structure of a sample of Italian water distribution companies. The empirical results of this study could be used by the Italian Regulation Authority of this sector for two purposes: first, to improve the actual tariff regulation process, based on a benchmarking of variable costs, and...