This book presents extensions to current commodity-flow models to analyze the economic and environmental impacts of recent structural changes, such as fragmenta

Rising densities of human settlements, migration and transport to reduce distances to market, and specialization and trade facilitated by fewer international di

"The ongoing COVID-19 pandemic marks the most significant, singular global disruption since World War II, with health, economic, political, and security implica

The first fifteen years of the 21st century have thrown into sharp relief the challenges of growth, equity, stability, and sustainability facing the world econo