Affiliation: | 1. Shoppermetrics GmbH & Co. KG, Fruchtallee 23a, 20259, Hamburg, Germany 2. University of Siegen, Hoelderlinstr. 3, 57068, Siegen, Germany 3. Department of Intercultural Communication and Management, CBS Centre for Corporate Social Responsibility, Copenhagen Business School, Porcelaenshaven 18a, 2000, Frederiksberg, Denmark
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