In this article, we examine the extent to which the influence of external efficacy on support for populist parties is conditional on the degree to which a populist party is an established player in a given party system. We do so using a two-step regression approach that allows us to investigate...

This article investigates how the success of radical right parties affects the policy positions of mainstream parties. We do this using a regression discontinuity approach that allows us to causally attribute mainstream parties’ positional changes to radical right strength independent of...

There is an emerging consensus that women’s participation in peace negotiations contributes to the quality and durability of peace after civil war. However, to date, this proposition has remained empirically untested. Moreover, how women’s participation may contribute to durable peace has...

The fall of the Berlin Wall in 1989 brought the end of socialism, yet pro-socialist sentiment regained momentum surprisingly quickly across Eastern Europe. Why did voters move back to an ideology that was associated with unfree elections and lackluster economic performance? This paper points to...

Political parties respond strategically to the electoral success of radical right populist parties (RRPPs). While previous research has focused on programmatic responses on cultural conflict issues, we are expanding the research on policy position adaption to the economic left-right issue of...

Challenger parties’ electoral successes have attracted increasing scholarly attention. Based on the example of West European radical left parties, this article investigates whether and how centripetal and centrifugal positional movements on different conflict dimensions influence the election...

Electoral competition is a cornerstone of representative democracies. However, measuring its extent and intensity constitutes a challenging task for the discipline. Based on multilevel conceptualizations, we discuss three different measures of political competition (electoral volatility, vote...

There is an emerging consensus that women's participation in peace negotiations contributes to the quality and durability of peace after civil war. However, to date, this proposition has remained empirically untested. Moreover, how women's participation may contribute to durable peace has not...

In this article, we examine the extent to which the influence of external efficacy on support for populist parties is conditional on the degree to which a populist party is an established player in a given party system. We do so using a two-step regression approach that allows us to investigate...