Abstract

galegoOs sectores de alta tecnoloxia tenen capacidade para cambiar a direccion e a velocidade de crecemento dunha economia. Isto debese ao feito de que se producen cambios na tecnoloxia de producion destes sectores e, por tanto, tamen se producen cambios nas funcions da sua producion, nas funcions de demanda e, en consecuencia, no funcionamento da economia. Este traballo busca establecer as interaccions economicas que se producen cando existen cambios nalgun sector deste tipo. En concreto, aplicanse tecnicas de analise multisectorial a matrices de contabilidade social para determinar como funciona o efecto multiplicador dentro dunha economia, descompondoo e analizando os efectos de redistribucion que se producen sobre o resto das actividades economicas. Para a analise tomase como exemplo o caso da optica en Espana; os resultados mostran unha alta capacidade dinamizadora destes sectores tanto polo seu efecto multiplicador como polos seus efectos de redistribucion. EnglishHigh-tech sectors are able to change the direction and speed of growth of an economy. This is because there are changes in the production technology of these sectors and, therefore, there are also changes in the production types of the sectors, in demand and, consequently, in the operation of the economy. This work seeks to establish the economic interactions that occur when there are changes in a sector of this type. Specifically, cross sectional analysis techniques are applied to social accounting matrices to determine how the multiplier effect works within an economy, breaking it down and analyzing the redistribution effects that other economic activities undergo. For this analysis, the case of Optics in Spain is taken as an example, the results showing the high dynamic ability of these sectors, both for their multiplying effect and also for their redistribution effects.

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