liberalisation, analyses the effect of ownership and governance structure by using a unique dataset of German electricity retailers … input choice. Ownership is controlled for in the law of motion for productivity. The results of the dataset used to validate … the model show that firm-level productivity did not increase after 2008 and that ownership had no effect on productivity …

We study the regulation of a monopolistic firm that provides a non-marketed output based on multiple substitutable … costs. For this novel setting, we investigate the theoretically optimal Bayesian regulation mechanism. We find that the … non-Bayesian regulation can indeed get close to the second best of the Bayesian menu of contracts regulation. …

regulation and trade under imperfect competition. Ulph's model focused on the effectiveness of harmonisation policies against … issues rests in their importance for the environmental regulation of the European electricity sector, where imperfect …