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The European Geographical Indication quality scheme (GI) is supposed to enhance local expertise and support spatially-embedded products worldwide. Currently, the effect of GIs on trade is controversial. In general, GIs seem to support international trade, but the literature has not reached a consensus. We aim to identify and summarise heterogeneous results from existing research using a meta-analysis approach. Our results confirm that GIs positively affect trade, even after controlling for the effects of various characteristics of the studies, the methodology adopted, and publication impacts.
Filippis et al. (Sat,) studied this question.
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