Az innovációs rendszerek 25 éve: Szakirodalmi áttekintés evolúciós közgazdaságtani megközelítésben

The concept of an innovation system was launched two and a half decades ago, and since then has exercised great influence on relevant academic literature and on policy-making. This paper reviews four of today's most influential innovation system concepts, and places them back in the framework of their original evolutionary concept: national, sectoral, technological and regional systems of innovation. It is argued that the four concepts, developing separately, may serve as a joint framework for analysis and policy-making, if they are interpreted as complex adaptive systems. Furthermore, this complex system approach may allow new research directions to emerge. [PUBLICATION ABSTRACT]