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α: calibrated so average coauthorship-adjusted count equals average raw count
Summary This paper presents analysis of a survey of fresh produce export firms in 10 countries of sub-Saharan Africa, focusing on the determinants of GlobalGAP certification and the returns in terms of expansion of export sales revenue. The results suggest that technical and/or financial assistance and being in an established export country are key discriminating factors for being GlobalGAP certified. Using propensity matching, it is shown that firms that have achieved certification have appreciable higher export revenues, suggesting an appreciable return on the required investments.