THE SOCIAL ACCOUNTING MATRIX AND THE SOCIODEMOGRAPHIC MATRIX-BASED APPROACHES FOR STUDYING THE SOCIOECONOMICS OF AGEING
AbstractIn looking for empirical evidence about the activity of countries, a proposal is made for studying
(measuring and modelling) the activity of countries through the use of Social Accounting Matrices (SAMs) and
Socio-Demographic Matrices (SDMs).
SAMs and SDMs are presented as tools that have specific features for conducting studies in several
different areas, particularly in the Socio-Economics of Ageing, as well as for supporting policy decision
Based on methodological principles that are derived mainly from the works of Richard Stone, emphasis is
placed on the desirability of working in a matrix format, which includes not only people (SDM), but also, at the
same time, activities, products, factors of production and institutions (SAM). This is considered to be a way of
capturing the relevant network of linkages and the corresponding multiplier effects for the subsequent modelling
of the activity of the countries studied. The exposition of this proposal is accompanied by an example applied to
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