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Path Based SDA with additional information of the dependent variable/Path Based SDA con información adicional de la variable dependiente

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  • FERNÁNDEZ VÁZQUEZ, ESTEBAN

    () (University of Oviedo.Phone: (+34) 985105056.)

Abstract

Structural decomposition analysis (SDA) has been widely used to assess the relative importance of effects that together constitute a change in the variable of interest. A well-known problem of SDA is that the results often depend strongly on the specific decomposition formula chosen, whereas numerous formulae are equivalent from a theoretical point of view. This non-uniqueness problem is often solved rather pragmatically, by reporting an average of (a subset of) all possible formulae. In previous works the Path Based SDA methodology has been proposed as an alternative approach to these average solutions. This technique allowed the incorporation of some additional information of the factors to choose a specific decomposition formula. This paper suggests that additional information of the variable of interest can be used with this same purpose too. We illustrate the method empirically by investigating the sources of growth in sectoral labor levels in Spain, 1986-1994. El Análisis de Descomposición Estructural (SDA) ha sido ampliamente empleado para cuantificar la importancia relativa de los diferentes efectos que conjuntamente resultan en un cambio en cierta variable de interés. Un problema reconocido de las técnicas SDA es que los resultados frecuentemente dependen en gran medida de la fórmula de descomposición elegida, existiendo numerosas alternativas equivalentes desde un punto de vista teórico. Este problema de no unicidad en las soluciones suele resolverse de un modo bastante pragmático, calculando el promedio de (un subconjunto de) todas las posibles fórmulas. En trabajos previos se ha propuesto la metodología Path Based SDA como enfoque alternativo a estas soluciones medias. Este enfoque permitía la incorporación de información adicional para elegir una forma de descomposición específica, mientras que en este artículo se sugiere que observaciones adicionales de la variable de interés puede ser empleada con este mismo propósito. Esta técnica se ilustra empíricamente analizando las fuentes del crecimiento en los niveles de empleo sectorial en España entre 1986 y 1994.

Suggested Citation

  • Fernández Vázquez, Esteban, 2006. "Path Based SDA with additional information of the dependent variable/Path Based SDA con información adicional de la variable dependiente," Estudios de Economía Aplicada, Estudios de Economía Aplicada, vol. 24, pages 645(29á)-64, Agosto.
  • Handle: RePEc:lrk:eeaart:24_2_21
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    References listed on IDEAS

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