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First Author:
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| Ashok Kaul |
| Gutenberg University Mainz and IEW, University of Zürich |
| ashok.kaul@uni-mainz.de |
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| Gutenberg University Mainz, FB 03 |
| Mainz, D-55099, Germany |
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Second Author:
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| Volker Reinthaler |
| Universitat Pompeu Fabra |
| volker.reinthaler@upf.edu |
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Third Author:
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| Marcus Hagedorn |
| University of Frankfurt |
| hagedorn@wiwi.uni-frankfurt.de |
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