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Makam     
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Momentum and the growth-free segment of a population   总被引:1,自引:0,他引:1  
In the scenario of a sudden drop in fertility to replacement level. Preston (1986) argued that the population segment under age T, the length of generation, remained growth-free. Here we first present a new relationship for the momentum of any observed population as the ratio of 1) the proportion of the observed population under the mean age at childbearing to 2) the proportion of its life table population under that mean age. We then use that relationship to demonstrate Preston's approximation. Growth factors for other population segments are also presented. When the initial population is stable, momentum can be approximated as a function of the net reproduction rate alone.  相似文献   
3.
India is the second largest country in the world, with 72 million elderly persons above 60 years of age as of 2001, compared to China's 127 million. One of the objectives of this paper is to assess the emerging scenario of elderly for the first half of the 21st century. According to projections, the elderly in the age group 60 and above is expected to increase from 71 million in 2001 to 179 million in 2031, and further to 301 million in 2051; in the case of those 70 years and older, they are projected to increase from 27 million in 2001 to 132 million in 2051. Among the elderly persons 80 and above, they are likely to improve their numbers from 5.4 million in 2021 to 32.0 million in 2051. The increasing number and proportion of elderly will have a direct impact on the demand for health services and pension and social security payments. Mobilizing resources for geriatric care and providing sufficient maintenance for the elderly will emerge as a major responsibility for heath-care providers and pension economists.  相似文献   
4.
VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations - An increasing number of nonprofits have shifted their microfinance operation to a for-profit format. Little has been...  相似文献   
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ABSTRACT

This study explores how Irish gay fathers, who married heterosexually in a heteronormative culture, assumed a settled gay identity in the Republic of Ireland. A purposive sample of nine men reflected on their experiences of marriage and separation, assuming a gay identity, and social and familial connectivity. Interpretative phenomenological analysis (IPA) indicated the suppression of gay sexual desires before marriage as a result of cultural homophobia. The coming-out process continued during the participants’ marriage. Extramarital same-gender sexual desires and/or transgressions co-occurred with existential conflict (remorse) and resulted in marital separation. The marital and family loss was experienced as traumatic, and suicidal ideation occurred for most. All the men assumed an openly gay identity after separating. Many established a family-orientated same-gender repartnership. Results highlight the individuality and significance of the marital and family loss for those who separate after coming out as gay.  相似文献   
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ABSTRACT

The paper attempts to understand the genealogy of certain ‘spatial’ and conceptual dichotomies and categories pertaining to India’s North East. Representation of the geography, climate and simultaneously the dwellers of this space since middle of nineteenth century still reverberates in contemporary knowledge production about the region. These discursive practices for more than two and a half century had been (re)organizing and inscribing space, disciplining subjectivity. This problematic of representation was selectively incorporated into the biography of the ‘modern nation state’ in India that further accentuated the dichotomies and categories. The colonial dichotomy of ‘nature/culture’ staged, performed and articulated by the practices of representation enacted geographically determined social relations. These practices of representation operate not only at the level of discourse but also at the cultural, political, geographical and psychological domains. It would be crucial not only to understand the long sequence of representation but also to understand the material effects.  相似文献   
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ABSTRACT

In this paper we primarily consider waiting time problems under three different sampling rules. SR1 is the usual sampling with replacement, SR2 is without replacement, and SR3 is also with replacement, but uses no repetitions. We develop a new methodology for solving a wide variety of waiting time problems under each of the three sampling rules. A connection between waiting time problems under SR2 and SR3 is established which enables one to simultaneously solve waiting time problems under both of these sampling rules. The methods are illustrated with a large number of examples.  相似文献   
8.
Abstract

Social media supports the creative economy through its involvement in the adoption and appropriation of new innovation and accelerates economic growth. The current paper expands on this notion by identifying and analyzing the interaction between social media-based communities and small and medium enterprises (SMEs), as it examines how social media contributes to the knowledge co-creation and supports the adoption, use and appropriation of smartphones in South Asian countries, which are inhabited by approximately 1.6 billion people. The findings obtained through virtual ethnography (VE) provide insights into the dynamics and kinetics of knowledge co-creation and how that benefits large multinationals, small local businesses and consumers in developing societies. As such, we advance the knowledge management scholarship by presenting a holistic model of co-creation of knowledge involving multiple stakeholders.  相似文献   
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