Piacenza, Massimiliano; vannoni, davide; FRAQUELLI, Giovanni - In: Rivista Italiana degli Economisti 8 (2003) 2, pp. 287-312
In the paper we study the cost structure of a sample of Italian utility providing in combination gas, water and electricity. The estimates from a Composite cost function model (Pulley e Braunstein, 1992) highlight that costs are lower when multi-utility operate in high-density areas and when...