The beneficial role of random strategies in social and financial systems
  In this paper we focus on the beneficial role of random strategies in social sciences by means of simple mathematical and computational models. We briefly review recent results obtained by two of us in previous contributions for the case of the Peter principle and the efficiency of a Parliament. Then, we develop a new application of random strategies to the case of financial trading and discuss in detail our findings about forecasts of markets dynamics. 
Alessio Emanuele Biondo, Alessandro Pluchino, Andrea Rapisarda
physics.soc-ph q-fin.GN