What do the diametrically opposite tendencies in the height of the North Korean and South Korean population over the past sixty years, the paternalism in the current pension systems, and the Greek crisis have in common? Readers should not promptly reply "nothing", as Constraints and Driving Forces in Economic Systems shows. The contributions to this volume analysing various topics actually all discuss the same point: the forces driving development and the constraints hindering progress in economic systems and subsystems.