Boysen-Hogrefe, Jens; Pape, Markus - In: Zeitschrift für ArbeitsmarktForschung - Journal for … 44 (2011) 3, pp. 279-292
"We analyze unemployment dynamics for Germany on a regional basis by means of an approximate factor model. We first estimate the number of factors corresponding to the number of cycles. At least for the pre-'Hartz' reform data we find strong evidence for more than just one dynamic labor market...
