This paper argues that institutions and political party systems are simultaneously determined. A large change to the institutional framework, such as the creation of the euro by a group of European countries, will realign – after a transition period – the party system as well. The new...

Party platforms differ sharply from one another, especially on issues with religious content, such as abortion or gay marriage. Religious extremism in the U.S. appears to be strategically targeted to win elections, since party platforms diverge significantly, while policy outcomes like abortion...