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Working Paper
Shipping to America
We study the macroeconomic and trade-policy implications of disruptions to U.S.-bound shipping routes. Standard models treat them as iceberg-cost shocks, conflating the shock with the response to it. Using satellite vessel-tracking data, we construct route-level measures of potential and effective capacity for all U.S.-bound container ships from 2016 to 2025. Utilization losses in recent disruptions ran 20 to 40 percentage points, and began months before port congestion became visible. We embed these measures in a general equilibrium model in which firms reallocate a common fleet without ...