• Ambiguity and Investor Behavior 

      Kostopoulos, Dimitrios; Meyer, Steffen; Uhr, Charline (2020-11-24)
      We relate time-varying aggregate ambiguity (V-VSTOXX) to individual investor trading. We use the trading records of more than 100,000 individual investors from a large German online brokerage from March 2010 to December ...
    • Consuming Dividends 

      Bräuer, Konstantin; Hackethal, Andreas; Hanspal, Tobin (2020-05-01)
      This paper studies why investors buy dividend-paying assets and how they time their consumption accordingly. We combine administrative bank data linking customers’ consumption transactions and income to detailed portfolio ...
    • Financial Literacy and Socialist Education: Lessons from the German Reunification 

      Davoli, Maddalena; Hou, Jia (2018-07-01)
      A growing body of literature shows the importance of financial literacy in households' financial decisions. However, fewer studies focus on understanding the determinants of financial literacy. Our paper fills this gap by ...
    • Smart (Phone) Investing? A Within Investor-Time Analysis of New Technologies and Trading Behavior 

      Kalda, Ankit; Loos, Benjamin; Previtero, Alessandro; Hackethal, Andreas (2021-02-02)
      Using transaction-level data from two German banks, we study the effects of smartphones on investor behavior. Comparing trades by the same investor in the same month across different platforms, we find that smartphones ...
    • Who Are the Bitcoin Investors? Evidence from Indirect Cryptocurrency Investments 

      Lammer, Dominique Marcel; Hanspal, Tobin; Hackethal, Andreas (2019-12-10)
      Cryptocurrencies have received growing attention from individuals, the media, and regulators. However, little is known about the investors whom these financial instruments attract. Using administrative data, we describe ...