signalling
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Umbrella Branding and External Certification , issue 2008/10, Bonn, Max Planck Institute for Research on Collective Goods, 2008.
Abstract Full text
published in: European Economic Review, vol. 53, no. 2, pp. 186–196, 2009. published in: International Journal of Industrial Organization, vol. 26, pp. 546-556, 2008.