“…It should be emphasized, however, that in Figures 2 and 3 a different character of development trends is visible for each country in the years 1996-2016. This is a consequence of different levels of advancement of the economic development of countries (see : Cheba, 2015;Simionescu et al, 2017;Szopik-Depczyńska et al, 2017;2018b;Dmytrów & Bieszk-Stolorz, 2019;Skare & Porada-Rochoń, 2019a;2019b;Kuc-Czarnecka et al, 2020), including the level of institutional development (see: Balcerzak, 2020), internationalization of these countries (see : Pietrzak & Łapińska, 2015;Łapinska, 2016;Kurowska-Pysz et al, 2018;Jaklič & Svetličič, 2019;Sánchez-López et al, 2019;Shkolnyk et al, 2019), degree of innovation (see: Szopik-Depczyńska et al, 2018a;Jakimowicz & Rzeczkowski, 2019) or the level of digital economy (see : Balcerzak, 2017;Balcerzak & Pietrzak, 2017;Pietrzak & Ziemkiewicz, 2018a;2018b;Victor et al, 2019).…”