Letzte Suchanfragen
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The effects of Vietnam-era military service on the long-term health of veterans
a bounds analysis -
Does schooling improve cognitive abilities at older ages?
causal evidence from nonparametric bounds -
Does schooling improve cognitive abilities at older ages
causal evidence from nonparametric bounds -
The impact of a cost-containment measure on the quality of regional health services in Italy
a parametric and a non-parametric approach