“…In recent decades, theories more closely relating to John Keynes ' (1936) doctrine are more frequent. They indicate many factors affecting the economic development of the regions, among others: they emphasize the importance of export activity -economic base theory (North, 1955;Rittenbruch, 1968), strengthening or creating new growth polesgrowth poles and geographical growth centers (Perroux, 1964;Hirschman, 1958), regional growth centers core and periphery model (Friedman, 1963), all innovative activities of entrepreneursproduct-cycle theory (Vernon, 1966), regional project offices establishing to develop the investment potential and effective portfolio management (Kostiukevych et al, 2020), new technologies and new industrial branches (Castells, 1994), business environment institutions, research centers (Florida, 2000), social phenomena and cultural norms (Myrdal, 1957). They also assume the need for intervention by public authorities.…”