价值(数学)
全球价值链
经济
食物链
溢出效应
经验证据
业务
农业综合企业
竞赛(生物学)
国际贸易
经济地理学
国际经济学
农业
比较优势
微观经济学
地理
哲学
机器学习
古生物学
认识论
生物
考古
计算机科学
生态学
作者
Hendrik Feyaerts,Goedele Van den Broeck,Miet Maertens
摘要
Abstract The rapid expansion of agrifood exports from low‐ and middle‐income countries and the contribution of global value chains to rural development are well‐documented in the literature. Also, studies on modernization of domestic food value chains in these countries are emerging. Yet, the linkages between global and local value chains are rarely studied. On the one hand, the development and expansion of global value chains may create competition with local value chains for land, labor, water, soil nutrients, and other resources. On the other hand, positive spillover effects, such as investment, technical or institutional spillovers, may occur and spur the development of local value chains. In this article, we put forward a conceptual discussion on the type of linkages between global and local value chains, and how these depend on crop and value chain characteristics. We review the empirical evidence on these linkages. Our focus is on Africa, where agrifood exports and global value chains evolved rapidly and where challenges remain to upgrade and increase efficiency in local food value chains.
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