“…Secondly, the study revealed that regional factors influence, to a different degree, SMEs' innovativeness -knowledge transfer and spillover effects stemming from the inter-regional presence of enterprises enhance only the introduction of product innovations, while the institutional milieu, proxied by the RIC measure, drives organizational and marketing innovations. Thus, we proved that the innovative behavior of Polish small and medium-sized enterprises operating in less-developed regions (by European Union standards) is dependent on the regional innovation policy and companies' collaboration patterns (Isaksen & Trippl, 2014a;Grillitsch & Nilsson, 2015;Sörvik et al, 2018). Thirdly, this study demonstrated which drivers are more important in enhancing SMEs' innovativeness.…”