Market integration is seen as a complementary measure to decarbonize energy markets. In the context of power markets, this translates into regions that coordinate to maximize welfare in the power market with respect to a climate target. Yet, the maximization of overall welfare through...

This paper studies situations where a single buyer with uncertain demand wishes to buy from a small number of suppliers. In this setting it is well understood that supply function bidding results in the product not being produced at the lowest cost, that is, in the loss of production efficiency....

Nowadays, a process can be observed in Germany where electricity producing and trading firms react to the electricity market liberalisation by merging market shares, since the year 2000, which reduces the number of suppliers and influences production and consumer prices. This paper discusses...