The capital markets across different economies have always been an extremely debated subject that represents a key point when discussing about the overall degree of performance of any economy. The main purpose of this article is to test the random walk hypothesis for the Romanian stock market...

Human societies are evolving in sequences similar to a business cycle. The cause for which the evolution is accompanied by setbacks lies in the complexity of social systems, which, ab initio, cannot be designed or intended by any human mind, and the irrationality arising from limited rationality...