We focus on changes in technology and campaign management to study the documented simultaneous increase in campaign spending and polarization. In our model, some voters are ideological while others are impressionable. If the distribution of voters between types is endogenous and depends on...

We model the internal game between the leader and the factions of a party, to study the effect of party leadership on electoral success. Factions are of interest or of principle. The probability of winning the election is increasing in how close the party position is to the median voter, the...

We develop a formal model of the internal game between the leader and the factions of a party, to study the effect of party leadership on electoral success. Factions are of interest or of principle. The probability of winning an election is increasing in the leader's charisma, but also in party...