The stability of bargains behind the veil of ignorance

Although analyses about what representative individuals would choose behind the veil of ignorance have been regarded as n-person non-zero-sum cooperative games, none of the apparatus of game theory beyond 2-person non-zero-sum noncooperative games has actually been used. The grand coalition of all representative individuals emerges from behind the veil of ignorance to form a society unanimously. This paper investigates the consequences of extending the original position to allow three persons the possibility of forming binding coalitions behind the veil of ignorance. Just enough information and structure is added to the traditional analysis, to make bargaining feasible. The result is that whether or not representative individuals know the payoff structure for forming a society, a stable unanimous agreement may not emerge. The analysis shows yet another way in which original position arguments are sensitive to assumptions about information and criteria of rational decision behind the veil of ignorance.     

Research on environmental health interventions: ethical problems and solutions

This article reviews a variety of ethical issues one must consider when conducting research on environmental health interventions on human subjects. The paper uses the Kennedy Krieger Institute lead abatement study as well as a hypothetical asthma study to discuss questions concerning benefits and risks, risk minimization, safety monitoring, the duty to warn, the duty to report, the use of control groups, informed consent, equitable subject selection, privacy, conflicts of interest, and community consultation. Research on environmental health interventions can make an important contribution to our understanding of human health and disease prevention, provided it is conducted in a manner that meets prevailing scientific, ethical, and legal standards for research on human subjects.     

Palliative sedation: an essential place for clinical excellence

The complexities that converge around palliative sedation invite clinicians to work together to differentiate the issues and come to recommendations and decisions that are humane, ethical, legal, and clinically sound. Whether a crisis or long-term situation exists, the work is essentially the same. It must include critical thinking, clinical expertise, multidimensional assessment, and an array of interventions to assist patients and families in situations where symptoms and suffering are sufficiently intense to warrant exploration of sedation. The many issues inherent in the discussion of sedation at end of life require not that we have the answers but rather that we work with our colleagues to raise relevant questions and integrate both expertise and compassion into end-of-life decisions and care.     

Developing Early Years Childcare in England, 1997–2002: The Choices for (Working) Mothers

The UK has long been near the bottom of the EU “childcare league”. Attitudes of policymakers towards employment for the mothers of young children were ambivalent up to and including the Thatcher years, and the problem of “reconciling” work and family was historically deemed to be a private decision. This changed in 1998, when the Labour government put forward the first ever national childcare strategy. This paper argues that the aims behind the strategy were intimately linked to the attack on poverty and social exclusion in that: (1) efforts to stimulate provision focused on disadvantaged neighbourhoods; (2) subsidy was provided for early years education , rather than care (in order to give children a better start in life); and (3) stimulating provision was intended to promote women's employment, especially among lone‐mother families, thereby improving the material welfare of poor families. The means of expanding childcare have taken the form of a complicated set of demand‐ and supply‐side subsidies, reflecting the ongoing commitment to a mixed economy of childcare. The paper argues that this has implications for access and quality, and that there are tensions between the social investment approach to childcare on the one hand, and the desire to promote mothers’ employment on the other.     

Teacher‐Student Racial Congruence,Teacher Perceptions,and Test Performance*

Objective. This research explores the seldom‐addressed question of whether teacher‐student racial congruence conditions the impact of teacher perceptions on performance. Methods. Multipopulation LISREL models (utilizing data from the NELS) compare the effect of white teachers' perceptions on African‐American standardized test performance to the corresponding effect among white students. Parallel models compare the impact of African‐American teacher perceptions across races. Preliminary models gauge whether the match/mismatch of teacher's and student's race shapes teacher perceptions of African‐American and white students. Results. The impact of teachers' perceptions on test performance shows signs of being especially pronounced in the racially dissonant white teacher‐black student context—the very context where teacher perceptions seem especially likely to be unfavorable. Conclusions. This research provides new insight on the relevance of teacher perceptions to the black‐white performance gap. Racial congruence seems primarily consequential to African‐American test performance—shaping both teacher perceptions and (somewhat less so) the impact of such perceptions on performance.     

Will nuclear power pay for itself?

Will nuclear power ever generate enough revenue to cover its costs? Historical data covering capital, fuel, operations, maintenance, decommissioning, and waste disposal costs, and generation and revenue figures during the period 1953 through 1991 were analyzed and compared. The analysis shows that nuclear power is currently nowhere near meeting its costs. Scenarios projecting future costs and revenues were developed. Analysis of these projections suggests that even under the most optimistic conditions (where costs are cut considerably and revenues climb substantially), the current generation of the nuclear option over its lifetime may be best be economically marginal.     

Health and welfare of immigrants and access to services in Australia

The main issues in relation to the provision of health and social welfare services for migrants in Australia are: (a) to ensure access and equity; (b) concern about the relatively high proportions of some groups from specific birthplaces requiring support; and (c) the complexity and costs of ethnically specific services. This article focuses on the major pensions and benefits paid by the Department of Social Security, particularly the age pension and unemployment benefit. It also examines the interrelationship between mortality, morbidity, private health insurance, use of health services and the proportions on health-related pensions. Linked with these issues is the debate about an appropriate level of immigration when the unemployment rate is high, as in the current recession, and when new arrivals have little prospect of finding a job. A second major concern is the cost of caring for elderly immigrant parents who have come to Australia under the family reunion program.     

Unique nontransitive measurement on finite sets

Two themes in the theory of measurement that have been studied extensively in the past few years are numerical representations of nontransitive binary comparison structures and uniqueness in finite measurement systems. This paper brings the two together by exploring the solutions to a nontransitive, additive model that are unique up to multiplication by a positive constant. The model relates to various contexts including decision under risk, evaluation of objectives, comparative probability, and voting theory. The family of unique solutions for the model is shown to be extremely rich and varied.