New Approach – Quadrangle of Knowledge Based Sustainability

In our paper we start the analysis of the performance in the knowledge based economy from two premises: a. The productivity of the new economy is much higher comparative with the previous economic systems; b. There are at least six factors which determine the deep change of knowledge business organisation performances. Based on this approach we mention several specific ways for the evaluation of the knowledge based performances formulated by certain renowned international specialists. Finally, we elaborate a new concept regarding the approach and evaluation of the performance in the knowledge based economy - quadrangle of sustainability based on knowledge.