Lars Lefgren
Lars Lefgren ( born October 1972 ) is an American Economist trained at the University of Chicago Booth School of Business who is a professor of Economics at Brigham Young University ( BYU ) , specializing in labor economics and applied econometrics . 
<triplet> Lars Lefgren <subj> Economist <obj> occupation <subj> University of Chicago <obj> educated at <subj> Brigham Young University <obj> educated at