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van den Berg, Gerard J.
Lindeboom, Maarten
Dolton, Peter J.
Year of Publication: 
Series/Report no.: 
Tinbergen Institute Discussion Paper 04-094/3
Social surveys are often used to estimate unemployment duration distributions. Survey non-response may then cause a bias. We study this by using a data set that combines survey information of individual workers with administrative records of the same workers. The latter provide information on durations of unemployment and personal characteristics of all survey respondents and non-respondents. We develop a method to distinguish empirically between two explanations for a bias in results based on only survey data: selectivity due to related unobserved determinants of durations of unemployment and non-response and a causal effect of a job exit on non-response. The latter may occur even in fully homogeneous populations. The methodology exploits variation in the timing of the duration outcome relative to the survey moment. The results show evidence for both explanations. We discuss implications for standard methods to deal with non-response bias.
non-response bias
unemployment measurement
hazard rate
sample selection
event history
Document Type: 
Working Paper

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