Estimating structural and frictional unemployment: An application of empirical mode decomposition

Costa, Rodolfo Ferreira Ribeiro da; Castelar, Luiz Ivan de Melo

doi:10.5935/0034-7140.20240005

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Original Article • Rev. Bras. Econ. 78 • 2024 • https://doi.org/10.5935/0034-7140.20240005 linkcopy

Estimating structural and frictional unemployment: An application of empirical mode decomposition

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The aim of this paper was to estimate Brazilian structural and frictional unemployment by the empirical mode decomposition (EMD) method, relying on the definitions of structural and frictional unemployment of Lipsey (1960). The advantage of the EMD method is that it does not suffer of the problems of approximation bias or unit root that are present in the OLS and ML estimates described in the literature.

JEL classification. E24, C50.

Keywords
Unemployment; Structural; Frictional; EMD.

Statistics	Unemployment	Structural (%)	Frictional (%)
Statistics	Unemployment	Structural (%)	Total	Standard	Over-Employment
Mean	9958	91.87	8.13	48.42	51.58
Standard Error	2763	5.31	5.31	50.24	50.24
Variance	7 636 001	28.18	28.18	2524.08	2524.08
Max	14105	99.99	23.90	100.00	100.00
Min	6013	76.10	0.01	0.00	0.00

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