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261.
An economic model of teenage pregnancy decision-making   总被引:4,自引:2,他引:2  
In this paper, we model unmarried teenagers' decisions about their pregnancy outcome by considering that the teenager contrasts her expected utility (1) as a married mother, (2) as an unmarried mother, or (3) after abortion. We use cross-sectional data on 297 California teenagers aged 13-19 who were pregnant for the first time between 1972 and 1974. Both Anglo and Mexican-American girls are included. We find that pregnant girls who are eligible for or are receiving public assistance are more likely to give birth and remain unmarried. Teenagers with greater time values are more likely to choose abortion, and Mexican-American girls are more likely to carry their pregnancies to term.  相似文献   
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Environmental questions have become a permanent feature of the political landscape in contemporary Australia and now play a significant role in election campaigns at both state and federal levels. Indeed, one of the most significant policy debates in the 1996 Federal election focussed on the environmental policy proposed by the Liberal/National Party coalition, which sought to fund a host of environmental programs from the proceeds of a part privatisation of Telstra. The trade-offs involved in this policy have generated substantial opposition to it and served to underline the prominence of environmental questions in Australian politics. Despite the importance of ‘the environment’ in popular thought, public debate is still typically characterised by ‘feel good’ policy announcements by politicians, sensationalist media reporting and deceptive claims by some environmental interest groups. Whilst progress has undoubtedly been made, the result has often been a plethora of inchoate and frequently conflicting policies. Not surprisingly this ‘muddle through’ approach has produced numerous instances of government intervention not only failing to meet its planned objectives but also generating unintended consequences.  相似文献   
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Many behavioral science studies of religious fundamentalism are seriously hampered by conceptual confusion. The major source of much of this confusion is the lack of a coherent sociological definition and theoretical context for the term fundamentalism. We propose a Parsonian definition of Fundamentalism, which is interpreted in the context of a theory of evolutionary social change. The methodological implications of this approach are identified and then applied in a survey research study of the lay leaders of two historically related denominations, the Disciples of Christ and the Church of Christ. Our factor analysis of 25 questionnaire items suggests there are three types of Fundamentalism. Socio-economic variables explain some of the variation in the Fundamentalism scores, but denominational affiliation explains more. Our findings suggest that future research should use denomination-specific indices of Fundamentalism.  相似文献   
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SUMMARY: In this article, I examine theories which argue both for and against the educational potential of fairy tales, with special attention to the field of moral learning. I conclude that, in the contemporary world, stories have a particular importance for such learning but that the hidden moral values conveyed by many traditional tales may well be disquieting for a teacher. I propose that educational drama offers an appropriate pedagogy for exploring such values with children and describe in some detail a case study, in which I used a version of a traditional Hindu tale for these purposes. I offer a brief analysis on how the strategies employed by drama teachers can be harnessed for moral educational purposes and suggest that drama can offer children much needed opportunities to actively and creatively engage with stories and their values in a communal framework.  相似文献   
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In lotto games, the distribution of k-tuples chosen by participants is not uniform, but the chance of any k-tuple being the winner is the same. The winning categories consist of matching exactly ki numbers from the winning k-tuple for i = 0, 1, …, m for some m. The total prize pool for a category is divided equally among all the winning tickets in the category. Therefore the strategy of buying a ticket with a k-tuple consisting of unpopular numbers will increase the expected amount of the prize if this k-tuple is a winner in some category, because the prize pool is shared among fewer tickets. By modelling the distribution of 6-tuples chosen by participants of Lotto 6/49 in Canada, the expected return and standard deviation of return can be computed. It is shown that the expected return can be more than the amount spent when the carryover is large, but the large standard deviation means that it would take tens of thousands of years to millions of years for the strategy to have a high probability of yielding a profit.  相似文献   
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Singapore, like many developed countries, is facing the challenge of a rapidly aging population and the increasing need to provide long-term care (LTC) services for elderly in the community. The Singapore government’s philosophy on care for the elderly is that the family should be the first line of support, and it has relied on voluntary welfare organizations (VWOs) or charities for the bulk of LTC service provision. For LTC financing, it has emphasized the principles of co-payment and targeting of state support to the low-income population through means-tested government subsidies. It has also instituted ElderShield, a national severe disability insurance scheme. This paper discusses some of the challenges facing LTC policy in Singapore, particularly the presence of perverse financial incentives for hospitalization, the pitfalls of over-reliance on VWOs, and the challenges facing informal family caregivers. It discusses the role of private LTC insurance in LTC financing, bearing in mind demand- and supply-side failures that have plagued the private LTC insurance market. It suggests the need for more standardized needs assessment and portable LTC benefits, with reference to the Japanese Long-Term Care Insurance program, and also discusses the need to provide more support to informal family caregivers.  相似文献   
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