نتایج جستجو برای: demographic transition
تعداد نتایج: 367619 فیلتر نتایج به سال:
This paper presents a theory where increases in female labor force participation and reductions in the gender wage-gap are generated as part of a single process of demographic transition, initially characterized by reductions in mortality and fertility. The paper suggests a relationship between gains in life expectancy and changes in the role of women in society that has not been identified bef...
Whilst it is widely accepted that the process of national transition from a »developing« to a »developed« status is assessed against economic indicators, it is also recognized that the process of transition is driven by a variety of demographic, social, political, cultural, and biological changes that both lead to and follow from economic transition. Anthropologists have traditionally sought to...
پوششهای tbc یکی از جدیدترین و پیشرفته ترین پوششهایی است که امروزه در توربینهای گازی نیروگاهها و توربینهای هواپیماها استفاده می شود. این پوششها با ایجاد اختلاف دما در حدود 100 تا 150 درجه سانتیگراد، باعث افزایش عمر سوپرآلیاژهای قطعات داغ و نیز باعث صرفه جویی چشمگیری در مصرف سوخت نیروگاهها و هواپیماها می گردد. در این تحقیق، بحث و بررسی در مورد علل تخریب پوششهای tbc در لاینرها و قطعات transition p...
"This paper uses a perfect foresight life cycle simulation model to examine the dynamic economic effects of baby 'booms' and baby 'busts' as well as the interaction of such demographic changes with social security policy. Demographic change can have sizeable short and long-run effects on saving rates and factors returns." The geographic focus is on the United States. "The model predicts long...
At the end of the 19 century several French scholars noted that a remarkable change was taking place in the population of their country. The number of children per family declined, clearly as the result of deliberate efforts to reduce fertility within marriage. It was soon understood that the voluntary limitation of marital fertility was a revolutionary novelty and the term ‘demographic revolut...
WILLIAM H. HUFFMAN, Robert Fludd and the end of the Renaissance, London and New York, Routledge, 1988, 8vo, pp. xii, 252, illus., £30.00. Robert Fludd's encyclopaedic publications with their lavish and fascinating illustrations have frequently been seen as the keys to an intellectual world we have lost. His Metaphysical, physical and technical history of each cosmos, the macrocosm and the micro...
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