All this suggests that emotions are key information providers when deciding under uncertainty. They make us tuned to our environment. Actually, in some contexts of fast and intuitive decision-making in the face of unstable (high vol) conditions, one expects that the stronger the emotional uncertainty signals of the day-trader, the higher the performance.
Portfolio selection: Let's exhume the buried man! In his milestone paper "Portfolio Selection" published in the Journal of Finance in 1952, Harry Markowitz, the pioneer of "modern finance," recommends to use the Expected return-Variance (E-V) rule, both as a working hypothesis to explain investment behavior and as a guide to…
On The Ubiquitous Missing Information in Markets: What Neuroeconomics Has to Say 'Ambiguity' is the Hallmark of Trading and Investing The situation of taking a position when the odds are uncertain because of missing information is referred to by economists as "ambiguous". F Knight in his book Risk, Uncertainty, and…
