Logrolling refers to a situation in which two or more legislators agree to vote for each other’s legislation, which can then encourage pork-barrel spending in many districts The theory of rational ignorance says voters will recognize that their single vote is extremely unlikely to influence the outcome of an election.

We define pork--barrel spending as legislation whose benefits are concentrated on a single district while the costs are spread widely over the country. As a consequence, they will choose to remain uninformed about issues and not vote.

rational ignorance — the theory that rational people will not vote if the costs of becoming informed and voting are too high or because they know their vote will not be decisive in the election. logrolling — the situation in which groups of legislators all agree to vote for a package of otherwise unrelated laws that they individually favor. pork-barrel spending — spending that benefits mainly a single political district. single district while the costs — spread widely over the country.