Regional diversity of the level of innovation in Polish industrial enterprises - the economic dimension

Innovation is one of the key factors in socio-economic development. It may be discussed from the perspective of a country, region or enterprise. The article covers the changes in the level of innovation in Polish industrial companies accounting for the administrative division. The paper presents the scale of innovative activity and its influence on economic results of the analysed economic subjects. The effectiveness of these actions has been evaluated based on the share of revenues of industrial enterprises from sales of new or significantly improved products in total revenues from sales and expenditures on innovative activity.