In this paper, we discuss how to best exploit the information contained in spells that are in progress when an observation period begins, that is, left-censored and left-truncated duration data. We provide a survey of censoring and truncation mechanisms in event history models. We describe some...

Labour market assimilation of Danish first‐generation male immigrants is analysed based on two panel data sets covering the population of immigrants and 10 per cent of the Danish population during 1984‐1995. Wages and employment probabilities are estimated jointly in a random effects model...

Purpose – The purpose of this paper is to analyse if introduction of new technologies and work practices are negatively related to the employment opportunities of immigrants. Design/methodology/approach – A representative plant-level panel survey merged with register data is used. Random...

Randomized experiments provide policy relevant treatment effects if there areno spillovers between participants and nonparticipants. We show that thisassumption is violated for a Danish activation program for unemployed workers.Using a difference-in-difference model we show that the...