Chapter 1: Efficient Design of an Auction with Discrete Bid Levels This paper studies one of auction design issues: the choice of bid levels. Full efficiency is generally unachievable with a discrete auction. Since there may be more than one bidder who submits the same bid, the auction cannot...

We study the effects of available student loan repayment plans on borrowers' career choices. By removing the risk of loan default, income driven repayment (IDR) plans make higher-paying but riskier jobs more attractive to those with moderate skill levels. We present experimental evidence that...