The international financial and economic crisis has shown how fragile our Western economies are. That is something totally unexpected for systems that were unanimously defined as "the most advanced" in the world just a little while ago.

However, the crisis has shown one more time the need to manage the new features of the 21st-century global order - namely complexity and interconnectivity through the design of new sustainability models.

The current economic reality is characterised by nonlinearity, discontinuity and a variety of phenomena interwoven with each other and hardly predictable.