In this paper, a test is made of whether the Danish electricity producer, Elsam, partly or fully exploits its temporary dominant position in hours of congestion at the Nordic electricity market. There seems to be evidences suggesting that Elsam is successful in pursuing its objective of having a...

Using the concept of market-distribution functions, we derive general optimality conditions for discriminatory divisible-good auctions, which are also applicable to Bertrand games and non-linear pricing. We introduce the concept of offer distribution function to analyze randomized offer curves,...