This study examines the relation of stock returns and the announcements on verified emissions in the European Emission Trading Scheme (EU ETS). In a first step we employ event study methods to detect possibly abnormal returns on the respective announcement dates using a sample of quoted stock...

According to theory, market concentration affects the likelihood of a financial crisis in different ways. The “concentration-stability” and the “concentration-fragility” hypotheses suggest opposing effects operating through specific channels. Using data of 160 countries for the period...