Biography:  Roger Klein is a Professor of Economics at Rutgers University. Prior to joining Rutgers, he was a member of the economics groups at Bellcore and Bell Labs. Professor Klein has written papers on developing estimators and tests for semiparametric models, the role of estimation risk in portfolio decisions. decision theory, and small-sigma asymptotics. He is currently an Associate Editor for Econometric Theory. Professor Klein received his Ph.D. in Economics from Yale University.