The Use of Mail-In Ballots May Actually Cause Voter Participation

The use of mail-in ballots may actually cause voter participation to fall because:

A) the reduction in the benefit of being seen voting is larger than the reduction in the opportunity cost of voting.
B) the reduction in the opportunity cost of voting is larger than the reduction in the benefit of being seen voting.
C) mail-in ballots are more confusing than in-person ballots.
D) the costs of obtaining a mail-in ballot are larger than the benefit of voting.