Using Average Propagation Lengths to Identify Production Chains in the Andalusian Economy/Empleando Longitudes Medias de Propagación para identificar Cadenas Productivas en la Economía Andaluza

In this paper, we adopt the viewpoint that not only the size of sectoral linkages is relevant but also the economic distance between sectors. To measure distance, we define the average propagation length as the average number of steps it takes an exogenous change in one sector to affect the value of production in another sector. This distance does not depend on whether the linkages are forward or backward in nature. Combining the size of the linkages and the distance between sectors, allows us to visualize the production structure in terms of production chains. The empirical application studies the Andalusian economy. En este articulo adoptamos el punto de vista de que no solo es relevante el tamano de los eslabonamientos sectoriales, sino tambien la distancia economica entre los sectores. Para medir esta distancia, definimos la longitud media de propagacion como una representacion en promedio del numero de pasos necesarios para que un cambio exogeno en un sector afecte al valor de la produccion en otro sector. Esta distancia es independiente del caracter -hacia adelante o hacia atras- de los eslabonamientos. El analisis conjunto del tamano de los eslabonamientos y de la distancia entre sectores nos permite visualizar la estructura de la produccion en terminos de cadenas productivas. La aplicacion empirica estudia la economia andaluza.

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