Tuning in RBC Growth Spectra

By Szilard Benk, Tamas Csabafi, Jing Dang, Max Gillman, Michal Kejak

November 10, 2016

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Szilard Benk, Tamas Csabafi, Jing Dang, Max Gillman, and Michal Kejak. Tuning in RBC Growth Spectra, (USA: International Monetary Fund, 2016) accessed December 22, 2024

Disclaimer: This Working Paper should not be reported as representing the views of the IMF.The views expressed in this Working Paper are those of the author(s) and do not necessarily represent those of the IMF or IMF policy. Working Papers describe research in progress by the author(s) and are published to elicit comments and to further debate

Summary

For US postwar data, the paper explains central consumption, labor, investment and output correlations and volatilities along with output growth persistence by including a human capital investment sector and a variable physical capital utilization rate. Strong internal "amplication" results from an economy-wide productivity shock across goods and human capital investment sectors that has variances 10,000 fold smaller than in the standard RBC TFP shock. Simulated moments are compared to data moments for the business cycle, the low frequency and the Medium Cycle frequency, as well as the high frequency. A metric is provided to gauge that the results have an average of 46% deviation of simulated moments from data moments, for a broad array of targets across all windows. Within this array, key correlations have only a 15% deviation in the business cycle window, and growth persistence only an 8% deviation in the low frequency, which indicates good "propagation". Countercyclic human capital investment time and procyclic physical capital capacity utilization rates are also found as in data.

Subject: Business cycles, Capacity utilization, Economic growth, Human capital, Labor, Production, Total factor productivity

Keywords: Amplification, Average deviation, Business cycle, Business cycles, Capacity utilization, Capital investment, Data moments, Gali labor puzzle, Goods sector, Goods sector shock variance, Goods TFP, Goods TFP variance, Growth persistence, Human capital, Physical capital investment growth, Productivity shock, Rate moment, Real Business cycles, Sector shock, TFP shock, TFP shock variance, Total factor productivity, Utilization rate, WP

Publication Details

Pages:

54
Volume:

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DOI:

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Issue:

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Series:

Working Paper No. 2016/215
Stock No:

WPIEA2016215
ISBN:

9781475552775
ISSN:

1018-5941

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