Small- and medium-sized businesses make a significant contribution to the economies of Western countries. Government, industry, and educators commonly train business managers to improve their skills and knowledge in order to improve the performance of these firms. Owner-manager financial skill...

We begin with the outlining the motivation of this research as there are still so many unanswered research questions on our complex financial and economic systems. The philosophical background and the advances of econometrics and econophysics are discussed to provide an overview of the...