?:authorAffiliation
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[\'Department of Business and Economics, University of Southern Denmark, 5230 Odense, Denmark.\', \'Institute of Economics, Universität Kassel, 34127 Kassel, Germany.\', \'Department of Law and Economics, Technische Universität Darmstadt, 64289 Darmstadt, Germany.\', \'Gutenberg School of Management and Economics, Johannes-Gutenberg-Universität Mainz, D-55131 Mainz, Germany; waelde@uni-mainz.de.\', \'IZA Institute of Labor Economics, D-53113 Bonn, Germany.\']
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