Global suppliers of agricultural inputs such as seeds, fertilizers and agrochemicals exert increasing degrees of power in global value chains (GVCs). Although the GVC literature has explained how global buyers govern GVCs from the buying-end, the question of how global suppliers achieve governance from the supplying-end remains underexplored. We address this gap by combining a multidimensional typology of power with literature on intangible assets. We argue that intangible assets are crucial resources for global suppliers to morph otherwise ungovernable supply chains for undifferentiated input commodities into more sophisticated and governable GVCs. We illustrate our argument with the case of the global fertilizer supplier, YARA International. YARA's intangible asset investments were instrumental in governing the value chain integration of Tanzanian smallholder farmers. They allowed YARA to exert more than bargaining power (demonstrative, institutional and constitutive power) and to effectively position itself as supplying lead firm in Tanzania's agro-industrial GVC.

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为全球价值链中的领先企业、无形资产和电力提供：解释化肥链中的治理

种子、化肥和农用化学品等农业投入品的全球供应商在全球价值链（GVC）中发挥着越来越大的影响力。尽管全球价值链文献已经解释了全球买家如何从购买端治理全球价值链，但全球供应商如何治理全球价值链的问题从供给端实现治理仍有待探索。我们通过将多维权力类型学与无形资产文献相结合来解决这一差距。我们认为，无形资产是全球供应商的重要资源，可以将原本难以管理的无差异投入商品的供应链转变为更加复杂和可管理的全球价值链。我们以全球化肥供应商雅苒国际公司的案例来阐述我们的论点。YARA 的无形资产投资对于管理坦桑尼亚小农的价值链整合发挥了重要作用。它们使 YARA 不仅能够发挥议价能力（示范性、制度性和组织性力量），而且有效地将自己定位为坦桑尼亚农工业全球价值链中的供应龙头公司。