Since early nineties, worldwide production and distribution of electricity has been characterized by a progressive liberalization. The state-owned monopolistic production of electricity has been substituted by organized power exchanges (PEs). PEs are markets which aggregate the effective supply...

In this paper the compelling issue of efficiency of electricity markets has been studied by means of an artificial power exchange based on the agent-based approach. In particular, two common market-clearing rules, i.e., discriminatory and uniform, have been compared with respect to efficiency...