%0 Journal Article %T Causes of unemployment in Colombia during the XXI century. Evidence from a Cointegrated VAR-X model %K Unemployment %K Colombia %K cointegrated VAR-X %K Impulse Response Analysis %K Variance Decomposition %K Desempleo %K Colombia %K VAR-X cointegrado %K análisis de impulso respuesta %K descomposición de varianza %~ GOEDOC, SUB GOETTINGEN