“…Furthermore, party competition based on ideological grounds has emerged (Kitschelt et al, 1999;Rohrschneider and Whitefield, 2012;Rovny and Polk, 2015) and at least some parties established relatively strong party organizations (Gherghina, 2014;Ibenskas, 2014a;Tavits, 2013). On the other hand, the strength of membership organizations remains weaker in Central and Eastern Europe than in Western Europe (Van Biezen, Mair and Poguntke, 2012), the level of party organizational change is higher (Marinova, 2015), and all countries in the region continue to experience high levels of new party entry, including the emergence of centrist parties with fuzzy ideologies (Bågenholm, 2013;Hanley and Sikk, 2014;Pop-Eleches, 2010;Sikk, 2012).…”