Personensuche
X
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2
The Link Between Manufacturing Growth and Accelerated Servi..
NBER working paper series, no. w19923
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9
Child labor
the role of income variability and access to credit in a cr...
Policy research working paper ; 2767
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13
Causal Effects in Non-Experimental Studies: Re-Evaluating t..
NBER working paper series, no. w6586
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14
Propensity Score Matching Methods for Non-experimental Caus..
NBER working paper series, no. w6829