Assistant Professor Damon Jones Studies Why People Loan Interest-Free Money to the Government

Assistant Professor Damon Jones published a study in 2012 that examines why so many Americans choose to overpay on their taxes. He argues that it's actually not a choice, simply people being inattentive. People claim less exemptions than they could, resulting in more taxes being withheld, and higher payouts on their returns. 

Further coverage can be found at the American Economic Association.