This book presents extensions to current commodity-flow models to analyze the economic and environmental impacts of recent structural changes, such as fragmentation of production and lengthening supply chains. The extensions enable augmented commodity-flow models to analyze the vulnerability of supply chains and regions to climate change and extreme weather events. The models allow the explicit treatment of trade in intermediate goods; the so-called “new economic geography” behavioral foundations for production and inter-industry and interregional trade; endogenous determination of...