نتایج جستجو برای: fertility behavior
تعداد نتایج: 666127 فیلتر نتایج به سال:
When German reunification was accompanied by a rapid decline in aggregate fertility rates, researchers particularly assigned high unemployment rates a dominant role for changes in fertility behavior. The aim of this paper is twofold. First, we investigate changes in the timing of first birth in East Germany after reunification. Using data from the GSOEP, we show that even after reunification Ea...
About 75% of dogs worldwide are free to roam and reproduce, thus creating locally overabundant populations. Problems caused by roaming dogs include diseases transmitted to livestock and humans, predation on livestock, attacks on humans, road traffic accidents, and nuisance behavior. Nonsurgical fertility control is increasingly advocated as more cost-effective than surgical sterilization to man...
The aim of this paper is to analyze whether parents' fertility behavior may be an important determinant the future outcomes their children in Spain. To address issue, we use data from Survey Living Conditions. Our results confirm intergenerational transmission higher parents’ number children, that individuals have. We find regions where parents have few 0.02 fewer because differences parental f...
Using path anaysis and the 5 per cent PUMS data of the 1990 and 2000 [US] censuses, this study examines: (1) the correlation between Chinese-American sex preference for children and their fertility behavior; and (2) the interaction between the sex preference and its socioeconomic determinants. Of the normative and non-normative factors investigated in this study, offspring sex preference is the...
hy do we have a continuing unacceptably high rate of births to young people? The basic answer is clear—it is a change in our culture combined with a biological change in beginning fertility. Adult attitudes, values, and behaviors surround young people with inconsistent, often conflicting and, many times, negative messages about responsible sexual behavior. The impact of change on youth from a m...
The analytical framework proposed by Davis and Blake (1956) divides the process of reproduction into three elements: (i) exposure to the risk of pregnancy, (ii) the ability to conceive and (iii) successful gestation. This paper is concerned with the first element. Data from the 1973 National Demographic Survey of Tanzania (NDS) are used to investigate the role of marriage behavior in determinin...
This study proposes and explores a new fertility determinant: societal secularism. Using country-level data from multiple sources ( n = 181) multilevel 58 countries in the World Values Survey 83,301), author documents strong negative relationship between secularism both rates individual-level behavior. Secularism, even small amounts, is associated with population stagnation or decline absent su...
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