منابع مشابه
The academic birth rate
Most developed nations invest a considerable amount of public money in scientific research for a variety of reasons: most importantly because research is regarded as a motor for economic progress and development, and to train a research workforce for both academia and industry. Not surprisingly, governments are occasionally confronted with questions about whether the money invested in research ...
متن کاملThe academic birth rate
Most developed nations invest a considerable amount of public money in scientific research for a variety of reasons: most importantly because research is regarded as a motor for economic progress and development, and to train a research workforce for both academia and industry. Not surprisingly, governments are occasionally confronted with questions about whether the money invested in research ...
متن کاملPersistence and Cyclical Dependence in the Monthly Euribor Rate
This paper analyses two well-known features of interest rates, namely their time dependence and their cyclical structure. Specifically, it focuses on the monthly Euribor rate, using monthly data from January 1994 to May 2011. Models based on fractional integration at the long run or zero frequency, although adequately describing the persistent behaviour of the series, do not take into account i...
متن کاملThe Declining Birth Rate in Sweden* By
constantly very low there will eventually be a decrease in the population; if it is very high an increase will follow, other factors remaining unchanged. The threshold value of the birth rate constituting the border line between decline and increase of a population is 20, that is 20 newborns annually for every 1,000 inhabitants. As is shown in Fig. 1 there are several west and north European co...
متن کاملU.S. teenage birth rate resumes decline.
Teenage childbearing has been the subject of long-standing concern among the public and policy makers. Teenagers who give birth are much more likely to deliver a low birthweight or preterm infant than older women, and their babies are at elevated risk of dying in infancy. The annual public costs associated with teen childbearing have been estimated at $9.1 billion. The U.S. teen birth rate fell...
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ژورنال
عنوان ژورنال: Epidemiology and Infection
سال: 1925
ISSN: 0950-2688,1469-4409
DOI: 10.1017/s0022172400008731