We analyse in a theoretical framework the link between real-time and day-ahead market performance in a hydro-based and imperfectly competitive wholesale electricity market. Theoretical predictions of the model are tested on data from the Nordic power exchange, Nord Pool Spot (NPS).We reject the...

We review the recent empirical research concerning market power on the Nordic wholesale market for electricity, Nord Pool. There is no evidence of blatant and systematic exploitation of system level market power on Nord Pool. However, generation companies seem from time to time able to take...

The world's first multinational electricity market was formed with the creation of the Nordic power exchange, Nord Pool. We analyze the incentives to undertake transmission network investment in the context of the liberalized Nordic electricity market. Welfare improving investment in a...

Horizontal shifts in bid curves observed in wholesale electricity markets are consistent with Cournot competition. Quantity competition reduces the informational requirements associated with evaluating market performance because the markups of all producers then depend on the same inverse...

Horizontal shifts in bid curves observed in wholesale electricity markets are consistent with Cournot competition. Quantity competition reduces the informational requirements associated with evaluating market performance because the markups of all producers then depend on the same inverse...

This paper develops a simple nonparametric test for perfect competition in markets for homogenous goods. The method only requires data on prices and some aggregate of output. We then generalize the method to account for variable capacity and intertemporal production decisions. We apply the...