Facoltà di scienze economiche

Il servizio di igiene urbana tra concorrenza e monopolio

Antonioli, Barbara ; Fazioli, Roberto ; Filippini, Massimo

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    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 results indicate the existence of economies of density and scale for most output levels. The empirical evidence suggests that franchised monopolies, rather than side-by-side competition, is the most efficient form of production organisation in the refuse collection sector.