Giovanni, Fraquelli; Massimiliano, Piacenza; Davide, Vannoni - In: Rivista italiana degli economisti (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...