The Net Present Value maximizing model shows fallacies and inconsistencies that may be easily unmasked by performing a cognitive analysis of the decision-making process implied by the maximization problem. The model may be conveniently rescued if the maximizing version of the criterion is shunt...

This paper examines relationships between theory of financial risk and size. Based on the work of Makridakis / Taleb [2009] and Taleb / Tapiero [2009], presents the problems of excessive risk and imbalances caused by the size of firms. Markets mixed on firm growth traps externalities can...

Posthumous tributes to Benoit Mandelbrot (1924-2010) have highlighted his remarkable influence on the natural sciences, from geometry to meteorology, to theories with non-Euclidean spaces and geospatial models approach. Mandelbrot culminates a series of major thinkers going back to classical...

In this brief note describes the trajectory of the fractal models/multifractal F/M by Benoit Mandelbrot. The promise was discovered by the geometry of Mandelbrot covers a broad area of research fields, from meteorology and mathematical physics to the individual and collective behavior in...