Economic Definition of rational ignorance. Defined.
Offline Version: PDF
Term rational ignorance Definition: The decision not to become informed about something because the cost of doing it is more than the expected benefit. In that information is costly, there's always some limit to how much anyone can know. The idea of rational ignorance, while popping up on a daily basis for most of us, is quite important come election time. Many voters decided, logically so, that it's not really worth their efforts to get ALL of the details on every candidate and issue on the ballot.