The disposition effect is a well-established phenomenon in the empirical and experimental financial literature. It leads to sell winners too early and to hold losers too long. In this paper, we show that the consciousness of the disposition effect by investors lead them to require a greater risk...

We build a new measure of investor sentiment only based on changes in diversification levels of individual investors' portfolios. The dynamics of the number of different stocks in portfolios is modelized as a Markov chain. We measure investor sentiment as the area above the cumulative...

We present the results of a simple, easily replicable, survey study based on lottery bonds. It is aimed at testing whether agents make investment decisions according to expected utility, cumulative prospect theory or optimal expectations theory, when they face skewed distributions of returns. We...

In this paper, we present the results of a simple, easily replicable, survey study based on lottery bonds. It is aimed at testing whether agents make investment decisions according to expected utility, cumulative prospect theory (Tversky-Kahneman, 1992) or optimal expectations theory...