电子邮件地址:Alexander.cuntz@wipo.int(Alexander Cuntz)作者感谢Operabase.com共享其数据。Moreover, the author would like to thank Anastasiya Letnikava and Deyun Yin for excellent research assistance as well as Stefan Bechtold, Thomas Dillon, Carsten Fink, Mike Gibbs, Gundula Kreuzer, Nicholas Payne, Guy Pessach, C´ecile Roure, Ruth Towse and seminar participants at ETH Zuerich, the Ninth European Workshop on Applied文化经济学(EWACE)以及2019年版权问题经济研究协会年度国会(SERCI)以及两名匿名审稿人,对作品的先前版本有用。
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