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Author:Zanetti, Francesco 

Working Paper
Technology shocks, employment, and labor market frictions

Recent empirical evidence suggests that a positive technology shock leads to a decline in labor inputs. However, the standard real business cycle model fails to account for this empirical regularity. Can the presence of labor market frictions address this problem without otherwise altering the functioning of the model? We develop and estimate a real business cycle model using Bayesian techniques that allows but does not require labor market frictions to generate a negative response of employment to a technology shock. The results of the estimation support the hypothesis that labor market ...
FRB Atlanta Working Paper , Paper 2008-10

Working Paper
The "Matthew Effect" and Market Concentration: Search Complementarities and Monopsony Power

This paper develops a dynamic general equilibrium model with heterogeneous firms that face search complementarities in the formation of vendor contracts. Search complementarities amplify small differences in productivity among firms. Market concentration fosters monopsony power in the labor market, magnifying profits and further enhancing the output share of high-productivity firms. The combination of search complementarities and monopsony power induce a strong "Matthew effect" that endogenously generates superstar firms out of uniform idiosyncratic productivity distributions. Reductions in ...
FRB Atlanta Working Paper , Paper 2021-4

Working Paper
Flexible prices, labor market frictions, and the response of employment to technology shocks

Recent empirical evidence establishes that a positive technology shock leads to a decline in labor inputs. Can a flexible price model enriched with labor market frictions replicate this stylized fact? We develop and estimate a standard flexible price model using Bayesian methods that allows, but does not require, labor market frictions to generate a negative response of employment to a technology shock. We find that labor market frictions account for the fall in labor inputs.
FRB Atlanta Working Paper , Paper 2013-16

Working Paper
Search Complementarities, Aggregate Fluctuations, and Fiscal Policy

We develop a quantitative business cycle model with search complementarities in the inter-firm matching process that entails a multiplicity of equilibria. An active equilibrium with strong joint venture formation, large output, and low unemployment coexists with a passive equilibrium with low joint venture formation, low output, and high unemployment. {{p}} Changes in fundamentals move the system between the two equilibria, generating large and persistent business cycle fluctuations. The volatility of shocks is important for the selection and duration of each equilibrium. Sufficiently adverse ...
FRB Atlanta Working Paper , Paper 2019-9

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