Template-Type: ReDIF-Paper 1.0 Author-Name: van Dijk, D.J.C. Author-Name-Last: van Dijk Author-Name-First: Dick Author-Person: pva27 Author-Name: Franses, Ph.H.B.F. Author-Name-Last: Franses Author-Name-First: Philip Hans Author-Person: pfr226 Author-Name: Paap, R. Author-Name-Last: Paap Author-Name-First: Richard Author-Person: ppa494 Title: A nonlinear long memory model for US unemployment Abstract: Two important empirical features of monthly US unemployment are that shocks to the series seem rather persistent and that unemployment seems to rise faster in recessions than that it falls during expansions. To jointly capture these features of long memory and nonlinearity, respectively, we put forward a new time series model and evaluate its empirical performance. We find that the model describes the data rather well and that it outperforms related competitive models on various measures of fit. Creation-Date: 2000-10-05 File-URL: https://repub.eur.nl/pub/1660/feweco20001005165315.pdf File-Format: application/pdf Series: RePEc:ems:eureir Number: EI 2000-30/A Keywords: fractional integration, smooth transition autoregression, time series model specification Handle: RePEc:ems:eureir:1660