This paper develops a simple model for examining the gas-release programs as the unique tool to improve the performance of imperfectly competitive natural gas markets. We study the « artificial » duopoly effect created by first the incumbent and then by a regulator who introduces a...

The aim of this paper is to investigate the determinants of the carbon price during the two phases of the European Union Emission Trading Scheme (eu ets). More specifically, relying on daily eu allowance futures contracts, we test whether the carbon price drivers identified for Phase I still...

The paper models a program of high-activity nuclear-waste management. The physics of cooling incites to store hot waste for a while to spare scarce disposal volume: indeed, colder parcels may be put in tighter conditions. The optimal unconstrained duration of storage is characterized. Various...