We merge administrative information from a large German discount brokerage firm with regional data to examine if financial advisors improve portfolio performance. Our data track accounts of 32,751 randomly selected individual customers over 66 months and allow direct comparison of performance...

Why do people trade? Because they are told to! Using a unique dataset from a large German bank, we find that retail investors who report that they rely heavily on their advisors’ recommendations have a substantially higher trading volume and purchase a higher fraction of investment products...