This thesis covers several aspects of competition economics which are analyzed empirically or experimentally. It can be divided into two parts. Chapters 2 and 3 study how competition outcomes (in contests, respectively consumer markets) are affected by the design of the competitive environment....

Economic theory suggests that gasoline retail markets are prone to collusive behavior. Oligopoly market structures prevail, market interactions occur frequently, prices are highly transparent, and demand is rather inelastic. A recent sector inquiry in Germany backed suspicions of tacit collusion...

Petrol prices tend to be subject to regular changes, often changing more than once a day in many countries, and the number of changes appears to increase. For example, a recent sector inquiry by Germany's competition authority has found that the number of price changes has almost tripled between...

Im Rahmen der Sektoruntersuchung des Großhandelsmarktes für Strom hat das Bundeskartellamt 2011 die Auffassung dargelegt, dass marktbeherrschende Unternehmen keine Preisgebote oberhalb der Grenzkosten abgeben dürfen. In dem vorliegenden Beitrag werden die Auswirkungen einer solchen...