Research proposal: I. Purposes of this Research In summary this research will provide a model for the investigation of kinship, demographic and socio-economic systems in an open systems framework. The impact of changes in these systems on the individual life cycle then follows as the village roles change not only qualitatively - as in the appearance of new occupations, but also quantitatively in the duration of role incumbancy for the individual. II. Previous Research III. Methodological Considerations