This paper analyses the links between advances in financial technology, investors' sophistication, and their financial portfolios' composition and returns. We develop a simple portfolio choice model under asymmetric information and derive some theoretical predictions. Using detailed micro data...

Mean-variance portfolio optimization models are sensitive to uncertainty in risk-return estimates, which may result in poor out-of-sample performance. In particular, the estimates may suffer when the number of assets considered is high and the length of the return time series is not sufficiently...

Dieses Buch bietet einen vertieften Einblick in die Vermögensverwaltung, das Portfoliomanagement und die alternativen Kapitalanlagen und verbindet die Ausführungen mit den derzeit zentralen Themen der digitalen Transformation und des nachhaltigen Investierens. Als Ausgangspunkt erörtert es...

Since the emergence of Bitcoin, cryptocurrencies have grown significantly, not only in terms of capitalization but also in number. Consequently, the cryptocurrency market can be a conducive arena for investors, as it offers many opportunities. However, it is difficult to understand. This study...