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La mise en oeuvre du modèle logistique multinomial emboîté dans l'analyse de la participation au marché du travail
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Abstract
This research constitutes an attempt of using a nested multinomial logit to model the individuals labour market participation. This model has the advantage of relaxing the assumption of the independence of irrelevant alternatives wich is a property of the multinomial logit model generally used in the literature. The utilization of this model, still unexploited in this research area, permits to enrich empirical studies informations and to improve these last's general pertinence. An empirical analysis of individuals choices among several labour market segments is conducted, in the case of Morocco, using a nested multinomial logit model. A comparative study with a more “traditional” multinomial logit model is runned. It shows a relative superiority of the nested multinomial logit model, notably invalidating the assumption of the independence of irrelevant alternatives. More, the evaluation of explanatory variable's marginal effects on occupational choices for the two “competing” models shows that the choice of either one may modify the basis of the conclusions stemming from that type of analysis. (Full text in French)