The "quiet life hypothesis (QLH)" posits that banks enjoy the advantages of market power in terms of foregone revenues or cost savings. We suggest a united approach to measure competition and efficiency simultaneously to test this hypothesis. We estimate bank-specific Lerner indices as measures...

In the last few years it has been possible to observe decreasing interest margins for German universal banks. At the same time, institutions increasingly moved part of their business from interest to fee-earning activities. This study analyzes the determinants of non-interest income and its...

We use a quantitative electricity market model to analyze the welfare effects of refunding a share of the emission trading proceeds to support renewable energy technologies that are subject to experience effects. We compare effects of supporting renewable energies under both perfect and...