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Lars Lefgren (born c. 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 causal identification strategies. Lefgren received his bachelor's degree from BYU in 1996 and his Ph.D. from the University of Chicago in 2001. Lefgren has done work showing the impact of summer schools for students requiring remediation by comparing the limit of students who barely passed and barely failed the threshold of remediation. He has shown that parents value student satisfaction in teacher selection over student achievement improvements, except for poor students. Those parents from poor homes that request a particular teacher, ask for teachers who have reputations for student-testing improvement. He has also established that most of the test-score boost from good teaching erodes after a year. While the scores erode, Chetty et al. (2011) found that score improvements persist at some human capital level to improve the future wages of the student.〔http://economics.byu.edu/Pages/Faculty/Lars%20Lefgren/Lars-Lefgren.aspx〕 Lefgren has expressed the opinion that "Raising the minimum wage in Utah probably wouldn't affect () much." 〔http://universe.byu.edu/2007/05/25/minimum-wage-hike-might-not-affect-utah-jobs/〕 Lefgren is ranked in the top 6% of economists worldwide.〔https://ideas.repec.org/top/top.person.all.html〕 Lefgren won the Young Scholar Award from BYU in 2007.〔http://universe.byu.edu/2007/09/04/top-faculty-staff-honored/〕 Lefgren is known for having won the competition of time spent standing on one leg in the fourth grade.〔Notes from Lars Lefgren in his applied econometrics class〕 Lefgren appeared in the Divine Comedy music video "Fix You" promoting BYU OIT using the song "Fix You" by Coldplay.〔https://www.youtube.com/watch?v=66xTO1burD0&list=PL3NnaFuBR5A5uP29Xy_HsjOkY7dQOu9OF〕 == References == http://economics.byu.edu/Pages/Faculty/Lars%20Lefgren/Lars-Lefgren.aspx 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lars Lefgren」の詳細全文を読む スポンサード リンク
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