Rational ignorance, an oxymoron, is a voter's conscious decision to remain uninformed about a political issue. This ignorance is considered to be "rational" when the marginal cost of learning about the issue exceeds the marginal benefit of voting because one vote is unlikely to change the outcome. | Rational ignorance, an oxymoron, is a voter's conscious decision to remain uninformed about a political issue. This ignorance is considered to be "rational" when the marginal cost of learning about the issue exceeds the marginal benefit of voting because one vote is unlikely to change the outcome. |