Probability density function of quotient of order statistics from the pareto,power and weibull distributions

This paper deals with the probability density functions of quotient of order statistics. We use the Mellin transform technique, to find the distribution of the quotient Z= X/Xwhere X.,X(i < j) are the ith and jth order statistics from the Pareto, Power and Weibull distributions     

Extracting a revised labor supply theory from Becker's model of the household

Conflicting assumptions about labor supply behavior lie at the nexus of ideological and theoretical debates regarding the reality of involuntary unemployment, the efficacy of Keynesian macro-policy, and the appropriate nature of welfare policy. This can in part be attributed to the fact that orthodox theory is effectively predicated upon describing the behavior of individuals whose level of affluence enables them to voluntarily withhold their labor from the market. Ironically, a means of resolution appears if we extend Gary Becker's utility producing model of the household to recognize two latent behavioral concerns: (1) the ‘need’ of households for money income in order to produce utility, and (2) the presence of work activity in the home. The resulting generalized labor supply model extends Becker's analysis to explicitly encompass both the behavior of the affluent, and the behavior of the poor who need to work in order to sustain their existence.     

Robust methods in econometrics

This survey of recent developments in robust estimation and inference is directed primarily toward econometricians. It is argued that many of the techniques in common use in econometrics are highly sensitive to unverified hypotheses. Recent progress in designing alternative robust procedures is described and some prospects for future developments are discussed.     

Intensity and persistence of individuals' social exclusion in Australia

We construct a measure of social exclusion that recognises its multidimensionality at the individual level, including its potential variability in intensity at a point in time and in persistence over time. We distinguish seven dimensions or domains of social exclusion: material resources; employment; education and skills; health and disability; social; community; and personal safety. For each of these seven domains, several indicators of social exclusion are produced. Our exclusion measure identifies 20 to 30 per cent of the Australian population aged 15 years and over as experiencing ‘marginal’ or worse levels of exclusion at any given point in time. However, there is considerable variation in both the extent and persistence of exclusion among the excluded. We further find that, although there are commonalities in the demographic composition of the socially excluded and the income poor, there are also some important differences. For example, persons 65 years and over represent a much smaller share of the most ‘excluded’ group than they do of the ‘poorest‘; and – adopting a household‐level measure of exclusion – children represent a larger share of the excluded than they do of the poor.     

Continuing professional development after qualification--partnerships,pitfalls and potential

Social work educators, employers and policy-makers have increasingly recognised the importance of continuing professional development. The UK social work qualification (DipSW) provides a broad base of practice skills, knowledge and values. However, increasingly complex work, frequent legislative and policy changes, research findings and challenges of working in a societal context of increasing change and diversity all contribute to the necessity of developing strategies for continuing professional development which adequately equip social workers. Such education cannot be alienated from social workers' employment context, and thus needs to remain mindful of employers' needs while concurrently maintaining academic rigour. This paper explores the development and delivery of a year-long post-qualifying training course run collaboratively between West Sussex Social and Caring Services and University College Chichester. It places some of the experiences of tutors, candidates and Training and Development Officers within the wider context of social work education, training and the delivery of social care. In exploring some of the contradictions and tensions experienced it seeks to further understand the challenge of delivering effective training in an increasingly complex and fragmented arena. Finally, it considers possible future developments, mindful of future changes in UK social work education.     

Six Propositions on Public Participation and Their Relevance for Risk Communication

New societal obligations for communicating risk information are emerging in a variety of contexts. This article draws upon the lengthy societal experience with citizen participation programs to identify how risk communication efforts may be effectively structured and implemented. Six major propositions address such themes as means/ends differences in expectations, the timing of the program, the role of credibility and trust, the need for technical and analytical resources, differing thresholds of public involvement, and limitations upon current understandings. Key conclusions for the design of risk communication programs are set forth.