Abstract
Unobserved heterogeneity can be interpreted as limited observability of independent variables. This section deals with limits in observability of the dependent variable which may stem from selective sampling or selective recording. The most common forms of sample selection arise from censoring and truncation. In the former case, the count dependent variable is observed only over a limited range, whereas in the latter case, certain observations are omitted entirely from the sample.
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© 2008 Springer-Verlag Berlin Heidelberg
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(2008). Sample Selection and Endogeneity. In: Econometric Analysis of Count Data. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-78389-3_5
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DOI: https://doi.org/10.1007/978-3-540-78389-3_5
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77648-2
Online ISBN: 978-3-540-78389-3
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