This dissertation consists of three empirical studies on capital market efficiency in a broader sense. Two of the three papers are dedicated to the examination of short-term stock-returns in the wake of large one-day price changes – positive or negative. If significant abnormal returns can be...

This thesis consists of three separate papers. The first paper, “International Diversification and the Forward Premium” reproduces the slope of the uncovered interest rate parity (UIP) regression for ten country pairs within one standard deviation under rational expectations. We propose an...

This dissertation examines with three independent studies the impact of regulatory changes or potential self-regulation on stock returns and equity risk of affected companies. The focus is therefore laid on the the (renewable) energy sector and on the financial industry. Based on the event study...