Rational ignorance helps explain why a. legislators often trade votes on key issues to produce positive-sum games between themb. legislators usually disregard the desires of those constituencies that cannot influence their chances for relectionc. voters spend considerable time and effort to gather information to protect themselves against legislators with hidden agendasd. it is rational for legislators to ignore the wishes and desires of all of their constituentse. voters may choose to remain ignorant of issues when there are large costs associated with becoming informed