In this paper, we develop a model-based empirical strategy to estimate the general equilibrium effect of international trade shocks on local labor markets - defined as sectors within commuting zones. Using a Ricardian multicountry, multi-sector model, we derive a comprehensive measure of market access—a sufficient statistic that captures general equilibrium effects. Taking the case of “China Shock” vis-à-vis the US, we quantify this measure for 722 U.S. commuting zones across 22 sectors before and after China’s WTO accession (2001–2007), constructing it using input-output tables and estimated domestic sectoral trade costs. We then structurally estimate the relationship between changes in wages, employment, and market access, employing a modelbased instrumental variable to isolate exogenous variation induced by the China shock. Our findings indicate that, despite direct employment losses in some labor markets, gains in market access—driven by input-output linkages and reduced spatial competition— offset on average these losses. Regions that are more central and industrially diversified experience the strongest employment gains, highlighting their strategic advantage in adapting to intensified foreign competition.