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Seminario CEDE - Federico Huneeus

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Fecha: 28 de Mayo de 2021
Hora: 10:00 am

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This paper investigates the importance of firm-to-firm production network linkages for earnings inequality. We develop a quantitative model in which heterogeneous firms hire workers of different abilities in an imperfectly competitive labor market and source intermediates from heterogeneous suppliers in a production network. The model delivers an earnings equation with a firm-specific wage premium that depends endogenously on both firm productivities and firm-to-firm linkages in the production network. We establish identification of the model parameters and estimate them using linked employer-employee and firm-to-firm transactions data from Chile. Counterfactual simulations using our estimated model show that heterogeneity in network linkages explains 21% of log earnings variance, while passthrough of productivity shocks via network linkages explains between 20-25% of earnings volatility. We also examine the effects of a minimum wage policy and find strong spillover effects to worker earnings above the wage floor, with substitution of materials for labor explaining around 40% of these effects.

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