a b s t r a c tIn this paper we argue that parties shape their supporters' views about the political system via the messages they communicate about the desirability of the political system. Moreover, we contend that the effectiveness of such communication varies considerably across generations. Combining data from election surveys collected in 15 democracies as part of the Comparative Study of Electoral Systems (CSES) project with data on the policy positions of 116 political parties collected by the Comparative Manifestos Project, we find that supporters of parties that express positive positions toward the political system report systematically higher levels of political legitimacy than supporters of parties that communicate negative views. Moreover, this communication is particularly effective among older party identifiers whose partisan identification tends to be more pronounced. Taken together, these findings suggest that political parties play an active role in shaping citizens' views of the political system but their success in mobilizing consent among citizens in contemporary democracies may weaken with partisan de-alignment and generational change.Ó 2011 Elsevier Ltd. All rights reserved.Like a good bottle of wine, good democratic citizenship seems to come with ripe old age. It is well known, for example, that older citizens in established democracies are more likely to participate in politics (e.g. Franklin, 2004;Blais, 2000;Dalton, 2008), 1 exhibit more crystallized political orientations, more stable party identifications (Campbell et al., 1960: 153-156; Miller and Shanks, 1996: 131-132;Sears and Funk, 1999), and report more positive attitudes about the political parties they feel close to as well as the political system in which these parties compete (Dalton, 2004;Holmberg, 2003). Whether they result from life-cycle or generational effects (or some combination of the two), the attitudes and behaviors of older citizens consistently reveal a more supportive stance toward politics and the existing political status quo (Hooghe, 2004). Older individuals, so it seems, provide the backbone of contemporary democracies, while younger citizens often are the sources of instability, innovation, and change.
2While correlations between age and political behavior are well documented in the scholarly literature (for an overview, see van der Brug and Kritzinger, 2012), it is not entirely clear how they fit into dominant accounts of political legitimacy, in part because they say precious little about voters' age, except for the descriptive inference that older voters have more faith in the political system. Instead, the most common explanation of how citizens come to form supportive attitudes of democratic systems relies on Eastonian notions of system outputs, which suggest that such attitudes are shaped by what political systems represent and how they perform: people are said to extend greater legitimacy to political systems that produce superior outcomes (economic, political, and the like), and that do so fairly i...