One Man, 20 Votes

An analysis of the primary system:

Two Brown University economists have, for the first time, quantified the substantial effects of winning early in the race for the presidential nomination. In a National Bureau of Economic Research working paper, Brian Knight and graduate student Nathan Schiff demonstrate that voters in early primary states such as Iowa and New Hampshire have up to 20 times the influence of voters in later states in the selection of candidates.

You can find a free version of the paper here.