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effect early tracking participation higher education pdf
... include many covariates including country-by-cohort dummies and interactions between family background and potential confounding factors.8 they find some evidence that tracking reinforces the role of family background and thereby ...
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Microsoft Word - discussion150.doc
... unadjusted scores are smaller and less significant, we may conclude that overestimation because of confounding factors is not a particularly large problem. the other indicator that we include as a ... effects regressions with additional quality variables that theoretically have a larger correlation with unobserved factors such as the reputation of a certain school track. the estimates in column vii ...
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Microsoft Word - discussion34.doc
... wages. 21 discontinuity sample. moving further from the regime change offers more ground for confounding factors. therefore, it seems safe to conclude that the extra year of university education ... difference are close to 6 percent (appendix confounding factors several factors might bias the results in the previous section. we investigate the bias of three factors time effects around the reform, ...
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