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Table 11 Advantages and disadvantages of the IABS and the GSOEP

From: Does the IAB employment sample reliably identify maternity leave taking? A data reportKann die IAB-Beschäftigtenstichprobe benutzt werden, um Erziehungsurlaub verlässlich zu identifizieren? Ein Daten-Report

IABS GSOEP
Advantages Disadvantages Advantages Disadvantages
1) Large sample size 1) No direct information on childbirth 1) Complete fertility history available 1) Small sample Size
2) Precise information on wages and employment 2) No information on marital status, spousal income and labour supply, child care usage, etc. 2) Information on e.g. marital status, spousal income and labour supply, child care usage, etc. 2) Wages and employment are likely to be measured with error
  3) No information on parental leave of fathers 3) Parental leave of fathers can be analyzed  
  4) Information on marginal employment since 1999 only 4) Information on marginal employment  
  5) No information on hours worked, other than full-time and part-time work 5) Information on (actual and usual) hours worked  
  6) Civil servants (e.g. teachers) and self-employed are excluded 6) Covers all individuals  
  1. Note: The table provides an overview of the main advantages and disadvantages of the IABS and GSOEP for studying the impact of childbirth on mothers' (and fathers') careers.