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    Università della Svizzera italiana

    Il servizio di igiene urbana tra concorrenza e monopolio

    Antonioli, Barbara ; Fazioli, Roberto ; Filippini, Massimo

    The purpose of this study is to analyse the cost structure of a sample of Italian refuse collection firms in order to assess economies of scale and density so to estimate economic rationality of competition in the refuse collection. A translog cost function was estimated using panel data for a sample of 12 firms of refuse collection operating at provincial level over the period 1992-1995. The...

    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...

    Università della Svizzera italiana

    La deregolamentazione del mercato elettrico svizzero e implicazioni a breve termine per l’industria idroelettrica

    Antonioli, Barbara ; Banfi, Silvia ; Filippini, Massimo

    In many European countries, including England, Norway and Germany, the electricity sector has been deregulated. In Switzerland also the Parliament has adopted a new law – the Swiss Electricity Market Law (EML) -, which proposes to institute changes in the electricity market and therefore open the market to greater competition. The Swiss population will have to vote on the EML in September 2002....