Before revision:  The mean integrated squared error for the density estimator of a random variable in \mathbb{R the  California Department of Transportation to explore whether their choice of awarding construction contracts using a first price auction is cost minimizing  .
After revision:  The mean integrated squared error for the density estimator of a random variable in \mathbb{R the California Department of Transportation 's decision to award construction contracts with the use of a first price auction is cost minimizing .