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Working Paper
Economic Diversity and the Resilience of Cities
We show how local worker flow adjustment margins yield a theory-consistent sufficient statistic approximating the welfare effects of local shocks. Furthermore, we isolate a city’s insurance value as this approximation’s second-order term. Leveraging rich labor flows data across occupations, industries, and cities in France, we estimate spatial and non-spatial flows responses to local labor demand shocks. Less economically diverse French cities experience deeper contractions in gross outflows following negative shocks. In contrast, more economic concentration begets a modestly larger ...
Working Paper
Economic Diversity and the Resilience of Cities
We show how local worker flow adjustment margins yield a theory-consistent sufficient statistic approximating the welfare effects of local shocks. Furthermore, we isolate a city's insurance value as this approximation's second-order term. Leveraging rich labor flows data across occupations, industries, and cities in France, we estimate spatial and nonspatial flows responses to local labor demand shocks. Less economically diverse French cities experience deeper contractions in gross outflows following negative shocks. In contrast, more economic concentration begets a modestly larger increase ...
Working Paper
Economic Diversity and the Resilience of Cities
We develop a framework to assess how economic shocks affect local labor markets and worker welfare, with a focus on city-level economic diversity. Using detailed worker flow data across cities, sectors, and occupations, we construct theory-consistent welfare measures. Our approach combines a dynamic discrete choice model with a dual representation that captures both direct effects and the insurance value of local economic diversity. Applied to French labor markets, we find that diversification dampens the effect of negative shocks: both job-to-job moves and net inflows decline less in diverse ...