Differences in occupational unemployment rates in the United States: Hysteresis or structural?

A. Dupuy*, L.A. Gil-Alana, B. Candelon

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


This article provides new evidence on the nature of occupational differences in unemployment dynamics, which is relevant for the debate between the structural or hysteresis hypotheses. We develop a procedure that permits us to test for the presence of a structural break at unknown date. Our approach allows the investigation of a broader range of persistence than the 0/1 paradigm about the order of integration, usually implemented for testing the hypothesis of hysteresis in occupational unemployment. In almost all occupations, we find support for both the structuralist and the hysteresis hypotheses, but stress the importance of estimating the degree of persistence of seasonal shocks along with the degree of long-run persistence on raw data without applying seasonal filters. Indeed hysteresis appears to be underestimated when data are initially adjusted using traditional seasonal filters.
Original languageEnglish
Pages (from-to)2483-2493
Number of pages11
JournalApplied Economics
Issue number19
Publication statusPublished - 1 Jan 2009


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