Young in-Old out: a new evaluation based on Generalized Propensity Score

Michela Bia (), Roberto Leombruni and Pierre-Jean Messe

No 93, LABORatorio R. Revelli Working Papers Series from LABORatorio R. Revelli, Centre for Employment Studies

Abstract: This paper aims at evaluating the effect of the amount of older workers exits (aged 50 or more) on the entries of youngsters at a local labour market level, during years 1985 - 2002. If we can observe some effect of the exits on the entries, it will shed light on the substitution between older workers and youngsters. Moreover, since in our model the causal agent cannot be specified a – priori, we don’t know what causes what. Hence, we are actually looking for a correlation between these two quantities. Systematic differences in background characteristics, between local markets with different levels of the older workers exits, can bias the effect estimation on the entries of youngsters. In order to adjust for this, we apply propensity score methods as extended and generalized in a setting with a continuous treatment by Hirano and Imbens (2004). Our results show a positive and significant correlation between exits of older workers and entries of youngsters.

Keywords: Synthetic firms; Evaluation; Non-experimental methods; Continuous treatment; Matching; Generalized propensity score; Dose-response function. (search for similar items in EconPapers)
JEL-codes: C13 C49 J68 (search for similar items in EconPapers)
Date: 2009
New Economics Papers: this item is included in nep-age
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Citations: View citations in EconPapers (3)

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