In their 2014 article in the British Journal of Political Science, Eleanor Neff Powell and Joshua A. Tucker examine the determinants of party system volatility in post-communist Europe. Their central conclusion is that replacement volatility – volatility caused by new party entry and old party...

Are new democracies with divided governments and volatile parties politically ill-fated? The literature suggests so, but cases of emergent democracies, such as Taiwan and Brazil that face both conditions, defy the prediction. This paper explains why: Party volatility follows from pursuing...