Abstract
ABSTRACT The existence of complementarity relationships between different types of innovations is important for developing synergistic effects and economies of scale. This, in turn, should yield increased firm productivity. Here, we explore the potential impact of complementarity and/or substitutability relationships between different innovation activities on the firms’ performance by utilizing cross-sectional data taken from the Community Innovation Survey (CIS2014) for two groups of countries: Central and Eastern Europe and Western European countries. The results indicate that all types of innovation have a statistically significant and positive impact on the productivity of the companies operating in both markets.
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