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...

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...

This review of the book by Thomas Piketty, the capital in the XXI century, presents the central themes of the work and exposes its scope on the relationship between inequality and wealth. In particular a positive reflections on the progressive tax is added.

Thomas Piketty's "Capital in the 21st century" has been the most important book economy in recent times. Its aim integrates the debate theories of growth, income distribution, inequality and differences between the extremes income and income of the majority. The work predicts a slow increase in...

Thomas Piketty's "Capital in the 21st century" has been the most important book economy in recent times. Its aim integrates the debate theories of growth, income distribution, inequality and differences between the extremes income and income of the majority. The work predicts a slow increase in...