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Firstly, the relationship between industrial chain and value chain is discussed based on existing literature. Then, based on the smiling curve theory, comparative advantage theory and industrial upgrading theory, the theoretical logical framework of industrial chain upgrading towards the high-end of the value chain is put forward. Guided by this theoretical framework, combined with the strengths and weaknesses of Shandong's agricultural industry chain, this paper explores the path choice to promote Shandong's agricultural industry chain to the middle and high end of the value chain. Keywords—Agricultural Industry Chain; value chain; path

Promoting Shandong's Agricultural Industry Chain to the Middle and High Level of Value Chain: Theoretical Framework and Path Choice