We develop a dynamic model of political competition. Each party has a policymotivated ideological wing and an office-motivated opportunistic wing. A blockade arises if inner-party conflict stops policy implementation. We use this model to study whether early elections should be used to overcome...

Ghana's 2008 elections have been hailed by national and international observers as a model for Africa. This perception has prevailed despite persistent concerns about "ethnic block voting" and electoral fraud. Electoral malpractice and vote rigging along ethnic lines in Ghana's virtual two-party...