Este documento presenta una breve introducción a los conceptos básicos de álgebra matricial que forman la base de un curso introductorio de Econometría de pregrado. Se discuten conceptos como la independencia lineal, operación de matrices y resultados importantes para la estimación...

The analytical model scheme known as "demographic table" permits to measure the influence that on an only demographic phenomenon has the time, understood this as "duration or age". The present work uses the analysis input-output technique to explain the existing relationships in a demographic...