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In this paper we establish the asymptotic distribution of DeFries-Fulker (1985) regression estimates for heritability and shared environmental influences with double-entry twin data. A simple formula to estimate the covariance matrix of the coefficients in DF-regressions is provided, and...
Persistent link: https://www.econbiz.de/10005818250
Demographers have increasingly argued that social interaction is an important mechanism for understanding fertility …
Persistent link: https://www.econbiz.de/10005818255
Bongaarts and Feeney (1998) have recently proposed an adjusted total fertility rate to disentangle tempo effects from … changes in the quantum of fertility. We propose an extension to the Bongaarts and Feeney formula that includes variance … effects, i.e., changes in the variance of the fertility schedule over time. If these variance effects are ignored, the mean …
Persistent link: https://www.econbiz.de/10005168317
This chapter examines the scope for mutually beneficial intergenerational cooperation, and looks at various attempts to theoretically explain the emergence of norms and institutions that facilitate this cooperation. The contributions reviewed come from branches of economics as far apart as...
Persistent link: https://www.econbiz.de/10014023653
fertility and greater parental investment in children; (ii) a rise in married female labor-force participation; (iii) a …
Persistent link: https://www.econbiz.de/10011585848
are: (i) the secular decline in fertility between 1800 and 1980, (ii) the decline in agricultural employment and the rise …
Persistent link: https://www.econbiz.de/10014023768
Total fertility in Austria has declined slowly but persistently from about 1.7 in the late 1970s to around 1.4 in the …
Persistent link: https://www.econbiz.de/10005124433
A Group Support System (GSS) can be an effective tool in teaching groups of students. This paper describes the technology and four studies which explored the appropriateness of the technology in the college classroom. Results show students are more satisfied and productive when using a GSS than...
Persistent link: https://www.econbiz.de/10010583978
whole. Research has focused on the effect postponing fertility has on the labor market outcomes for mothers and on the total … force participation and wages but may have negative effects on overall fertility, especially in the absence of supportive …
Persistent link: https://www.econbiz.de/10011429465
This report tries to explain observed changes in fertility rates across OECD countries, with an emphasis on socio …-economic considerations. It aims to extend the understanding of fertility-related behaviours in different ways: first, by explaining recent … developments in fertility rates and their relationships to other social drivers; second, by developing and testing new and expanded …
Persistent link: https://www.econbiz.de/10012446113