In times of low interest rates, bank customers must try to diversify their portfolios. Nevertheless, customers usually stick to traditional investments and do not take advantage of stock-market potentials. This is mostly due to irrational reasons. Banks also have a strong interest in...

This scientific working paper explains the influence of four selected cognitive biases regarding the investment behaviour of German private shareholders. In detail, it contains a theoretical treatment, as well as an empirical impact study of these four biases. Starting with the definition of...