New revelations about unemployment persistence in Spain: time-series and panel data approaches using regional data
This article aims to re-examine the persistence of unemployment in Spain. For this purpose, we use time-series and cross-section analysis. From a time-series viewpoint we disaggregate unemployment by regions, and use unit root tests, AR coefficients and fractional differencing parameters as indicators of persistence. For the cross-section approach, we first estimate mean regressions of regional unemployment rates. Then, using a panel of 114 periods and 50 provinces, we estimate pooled, fixed and random effects models. Finally, following some recent developments, we implement several panel data unit root tests. Previous studies had already shown the strong persistence of Spanish unemployment. Our disaggregated analysis extends the finding to reveal that the persistence is greater in the most industrialized regions. The results also suggest that a structural break took place in 1994, implying a decline in the unemployment persistence since then.
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Document Type: Research Article
Publication date: 2009-01-01