Market Allocation and the Political Process Differ in That

Market allocation and the political process differ in that

A) competition is present in the market sector but not in the political sector.
B) scarcity is a constraint in the market sector but not the political sector.
C) there is a one-to-one link between payment for and receipt of a good in the market sector, but this is often not true in the political sector.
D) in the political sector, voters have a strong incentive to acquire information that will help them make better decisions, but in the market sector, consumers do not have much incentive to acquire information.