“…The uneasy relationship between party system institutionalization, democracy, and liberalism On the one hand, previous research provides grounds to expect a positive association between party system institutionalization and democracy. The former is supposed to reduce the scope of populist leaders, and to promote accountability (Birch, 2003;Schleiter and Voznaya, 2018), governability (Diamond and Linz, 1989;Mainwaring et al, 1992;Innes, 2002;Zielinski et al, 2005;Thames and Robbins, 2007), programmatic representation (Mainwaring and Torcal, 2006), and legitimacy (Mainwaring and Scully, 1995;Diamond, 1997: xxiii). On a more general level, low institutionalization can prevent both parties as well as voters from engaging in strategically driven coordination (Mainwaring and Zoco, 2007), intensifying problems of collective action in relation to preference aggregation.…”