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Abstract

In this paper we analyze a general equilibrium DSNK model characterized by labor indivisibilities, unemployment and a unionized labor market. The presence of monopoly unions introduces real wage rigidities in the model. We show that as in Blanchard Galì 2005 the so called -divine coincidence- does not hold and a trade-off between inflation stabilization and the output stabilization arises. In particular, a productivity shock has a negative effect on inflation, while a reservation-wage shock has an effect of the same size but with the opposite sign. We derive a welfare-based objective function for the Central Bank as a second order Taylor approximation of the expected utility of the economy-s representative household, and we analyze optimal monetary policy under discretion and under commitment. Under discretion a negative productivity shock and a positive exogenous wage shock will require an increase in the nominal interest rate. An operational instrument rule, in this case, will satisfy the Taylor principle, but will also require that the nominal interest rate does not necessarily respond one to one to an increase in the rate of interest that supports the efficient equilibrium. The model is calibrated under different monetary policy rules and under the optimal rule. We show that the correlation between productivity shocks and employment is strongly influenced by the monetary policy regime. The results of the model are consistent with a well known empirical regularity in macroeconomics, i.e. that employment volatility is relatively larger than real wage volatility.



Item Type: MPRA Paper -

Institution: Università Cattolica del Sacro Cuore - Milano-

Original Title: Productivity shocks and Optimal Monetary Policy in a Unionized Labor Market Economy-

Language: English-

Keywords: Optimal Monetary Policy; Unionized Labor Market; Indivisible Labor; Taylor Rule-

Subjects: J - Labor and Demographic Economics > J2 - Demand and Supply of Labor > J23 - Labor DemandE - Macroeconomics and Monetary Economics > E5 - Monetary Policy, Central Banking, and the Supply of Money and Credit > E52 - Monetary PolicyE - Macroeconomics and Monetary Economics > E5 - Monetary Policy, Central Banking, and the Supply of Money and Credit > E50 - GeneralE - Macroeconomics and Monetary Economics > E3 - Prices, Business Fluctuations, and Cycles > E32 - Business Fluctuations ; CyclesE - Macroeconomics and Monetary Economics > E2 - Consumption, Saving, Production, Investment, Labor Markets, and Informal Economy > E24 - Employment ; Unemployment ; Wages ; Intergenerational Income Distribution ; Aggregate Human Capital ; Aggregate Labor ProductivityJ - Labor and Demographic Economics > J5 - Labor-Management Relations, Trade Unions, and Collective Bargaining > J51 - Trade Unions: Objectives, Structure, and Effects-





Autor: Mattesini, Fabrizio

Fuente: https://mpra.ub.uni-muenchen.de/4173/



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