The attempt is made in this discussion to describe and draw lessons from the treatment of behavioral demographic variables in the Bachue demo-economic models constructed for the Philippines, Kenya, Brazil and Yugoslavia. Focus is on certain theoretical, technical and practical problems encountered in inserting demographic variables in the system as a whole; how they have been measured in the v...

BACKGROUND Recent findings suggest advanced paternal age may be associated with impaired child outcomes, in particular, neurocognitive skills. Such patterns are worrisome given relatively universal trends in advanced countries toward delayed nuptiality and fertility. But nature and nurture are both important for child outcomes, and it is important to control for both when drawing inferences abo...

between proto-industrialization or industrialization and changes in opportunities for marriage. The standard historical argument was summarized a decade ago by D. E. C. Eversley (1965:45): the ability to marry was contingent, in pre-industrial societies, upon access to land in the peasant economy; in the cities guilds &dquo;were supposed to be powerful bars to marriage.&dquo; When the system br...

BACKGROUND Marriage histories are a valuable data source for investigating nuptiality. While researchers typically acknowledge the problems associated with their use, it is unknown to what extent these problems occur and how marriage analyses are affected. OBJECTIVE This paper seeks to investigate the quality of marriage histories by measuring levels of misreporting, examining the characteris...

This is a study of how the combination of cultural and structural factors, which played a major role during the historical fertility and nuptiality transition, have continued to condition demographic innovations connected to the “second demographic transition”(SDT). The continuity or discontinuity from the “first” to the “second” demographic transition is studied for spatial aggregates over mor...

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