1,721,176 research outputs found

    Introduction

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    Vocational Training: Does it speed up the Transition Rate out of Unemployment ?

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    In this paper we estimate, for the 1989-93 period in Belgium, the effect of vocational classroom training on the rate of transition out of unemployment. We show that rationing of the demand for training increases the unemployment duration of non-participants, an effect neglected in programme evaluations. We propose a “control function” estimator accounting for variable treatment effects and identifying the average treatment effect on the treated by means of exogenous sub-regional variation in the training capacities. During participation, the transition rate decreases by 27%. Afterwards it increases by 62%. Making training available for a broader population would, however, reduce the effectiveness of the programme.Vocational training; evaluation; transition models; job-search

    Modeling the effects of grade retention in high school

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    A dynamic discrete-choice model is set up to estimate the effects of grade retention in high school, both in the short run (end-of-year evaluation) and in the long run (drop-out and delay). In contrast to other evaluation approaches, this model captures essential treatment heterogeneity and controls for grade-varying unobservable determinants. In addition, forced track downgrading is considered as an alternative remedial measure. Our results indicate that grade retention has a neutral effect on academic achievement in the short run. In the long run, grade retention, just like forced downgrading, has adverse effects on schooling outcomes and, more so, for less able pupils

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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