Purpose: People often face constraints such as a lack of time or information in taking decisions, which leads them to use heuristics. In these situations, fast and frugal rules may be useful for making adaptive decisions with fewer resources, even if it leads to suboptimal choices. When applied...

In this paper, we present the results of an online questionnaire among private German mutual fund investors. In an exploratory nature, we empirically analyze the differences between three groups: sustainable investors, conventional investors that are either generally interested or those that are...

This paper explores the relationship between self-declared risk aversion of private investors and their willingness to hold diversified portfolios of financial assets. The analysis is based on household survey data from the German Socioeconomic Panel (SOEP) that provides a reliable measure of...

Do women invest differently than men? We contribute to the answer of this question by analysing the Panel on Household Finances (PHF) of the German Bundesbank. This representative panel collects a wide variety of behavioural and financial variables in the area of household finance. We find that...

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 increase purchasing of riskier and lottery-type assets and chasing past...

We show that household heads with a strong internal economic locus of control are more likely to hold equity and hold a larger share of equity in their investment portfolio. This relation holds when we control for economic preferences and possible confounders such as financial literacy,...

We show that preferred investment styles can be determined by the big five personality traits. Using this result, we build a tool that recommends investment styles. The resulting recommendations are significantly higher rated than random recommendations.We collected detailed personality traits...