Template-Type: ReDIF-Paper 1.0 Title: Distribution of Single-Spell durations in sample designs Author-Name: Wurzel,Eckhard Author-WorkPlace-Name: University of Bonn Classification-JEL: 211 Keywords: Time series aggregation,Unemployment duration,Spells misspecification,Biased parameter estimates Series: Sonderforschungsbereich 303 Creation-Date: 1988-03 Handle: RePEc:bon:bonsfa:162