This paper examines the relationship between overconfidence and losses from under-diversification among Dutch investors …. We find that a lack of proper portfolio diversification is positively associated with overconfidence. Part of this …. We proxy for overconfidence by exploiting the difference between measured and self-assessed financial literacy, and use …

We study the relationship between overconfidence and the political and financial behavior of a nationally … representative sample. To do so, we introduce a new method of eliciting overconfidence that is simple to understand, quick to … price forecasting errors, and more extreme political views. Additionally, we find that overconfidence is correlated with …