?:authorAffiliation
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[\'Department of Economics, University of Lausanne,1015 Lausanne, Switzerland.\', \'Toulouse School of Economics, 31080 Toulouse, France.\', \'Experimental Economics Group, Max Planck Institute for Research on Collective Goods Bonn, 53113 Bonn, Germany; matthias.sutter@coll.mpg.de.\', \'Department of Economics, University of Cologne, 50935 Cologne, Germany.\', \'Department of Public Finance, University of Innsbruck, 6020 Innsbruck, Austria.\']
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