13,899 research outputs found

    Health Status, Health Care and Inequality: Canada vs. the U.S.

    Get PDF
    Does Canada's publicly funded, single payer health care system deliver better health outcomes and distribute health resources more equitably than the multi-payer heavily private U.S. system? We show that the efficacy of health care systems cannot be usefully evaluated by comparisons of infant mortality and life expectancy. We analyze several alternative measures of health status using JCUSH (The Joint Canada/U.S. Survey of Health) and other surveys. We find a somewhat higher incidence of chronic health conditions in the U.S. than in Canada but somewhat greater U.S. access to treatment for these conditions. Moreover, a significantly higher percentage of U.S. women and men are screened for major forms of cancer. Although health status, measured in various ways is similar in both countries, mortality/incidence ratios for various cancers tend to be higher in Canada. The need to ration resources in Canada, where care is delivered "free", ultimately leads to long waits. In the U.S., costs are more often a source of unmet needs. We also find that Canada has no more abolished the tendency for health status to improve with income than have other countries. Indeed, the health-income gradient is slightly steeper in Canada than it is in the U.S.

    What Do Wage Differentials Tell Us about Labor Market Discrimination?

    Get PDF
    We examine the extent to which non-discriminatory factors can explain observed wage gaps between racial and ethnic minorities and whites, and between women and men. In general we find that differences in productivity-related factors account for most of the between group wage differences in the year 2000. Determinants of wage gaps differ by group. Differences in schooling and in skills developed in the home and in school, as measured by test scores, are of central importance in explaining black/white and Hispanic/white wage gaps among both women and men. Immigrant assimilation is an additional factor for Asians and workers from Central and South America. The sources of the gender gap are quite different, however. Gender differences in schooling and cognitive skills as measured by the AFQT are quite small and explain little of the pay gap. Instead the gender gap largely stems from choices made by women and men concerning the amount of time and energy devoted to a career, as reflected in years of work experience, utilization of part-time work, and other workplace and job characteristics.

    What is going on?

    Get PDF
    This article considers the context of the special edition on homicide and how the articles within it link to modern investigations and existing knowledge

    The stability of an air-maintained cavity behind a stationary object in flowing water

    Get PDF
    In studies made in the Free Surface Water Tunnel of a projectile running in an air-maintained cavity, the experimental relation between air entrainment rate and cavitation number was determined. The entrainment-rate coefficient CQ = Q/V0d^2, where Q is the air rate in cfs, V0 the free-stream velocity, and d the disk nose diameter, was plotted against cavitation parameter, K = (p0 - pk)/q0 where p0 is the free-stream pressure at the disk center line, pk the cavity pressure, and q0 the free-stream dynamic pressure. This experimental relationship for one single disc is shown for three different velocities in Fig. 1. The curves are similar in shape and each has a minimum value of entrainment coefficient which is designated by CQ^* at a value of K as designated as K^*

    Multiwavelength Monitoring of the Dwarf Seyfert 1 Galaxy NGC 4395. IV. The Variable UV Absorption Lines

    Full text link
    We report the detection of variable UV absorption lines in NGC 4395, based on UV observations with the HST STIS carried out in April and July, 2004, as part of a reverberation-mapping campaign. Low-ionization lines of O I, N I, Si II, C II, and Fe II, are present in the low-state spectra (April 2004) at a velocity v_shift=-250 km/s (system A_l), and additional high-ionization lines of C IV and N V appear in the high-state spectra (July 2004) at v_shift=-250 km/s (system A_h) and at v_shift=-840 km/s (system B). The absence of absorption from the low metastable levels of Si II implies a density <~10^3 cm^(-3) for system A_l, indicating a location outside the narrow line region (NLR). System A_h is peculiar as only N V absorption is clearly detected. A high N V/C IV absorption ratio is expected for a high metallicity absorber, but this is excluded here as the metallicity of the host galaxy and of the nuclear gas is significantly subsolar. A simple acceptable model for systems A_h and B is an absorber located between the broad line region (BLR) and the NLR, which absorbs only the continuum and the BLR. At the low-state the strong narrow emission lines of C IV and N V dominate the spectrum, making the absorption invisible. At the high-state the absorbed continuum and BLR emission dominate the spectrum. Thus, the change in the observed absorption does not reflect a change in the absorber, but rather a change in the continuum and BLR emission from behind the absorber, relative to the emission from the NLR in front of the absorber. Studies of the absorption line variability in highly variable objects can thus break the degeneracy in the absorber distance determination inherent to single epoch studies.Comment: Accepted for publication in The Astrophysical Journa

    Reviewing the situation: practitioner perspectives on the use and effectiveness of 28 day homicide reviews

    Get PDF
    Purpose – The purpose of this paper is to report a study of practitioner views on the 28-day homicide review process. Design/methodology/approach – The research draws upon primary data from interviews with senior investigating officers (SIOs) engaged in homicide investigations and review officers tasked with reviewing homicides unsolved after 28 days. Findings – The review process was perceived to be meeting the needs of the organization but adding little, or no direct value to SIOs. Despite this, there was agreement as to the potential value and necessity of the homicide review process. Issues such as the purpose and process of reviews were considered, with recommendations providing impetus for the Metropolitan Police Service (MPS) to review the use of reviewers commensurate with their expertise, the training and development of reviewers, and the aims, format and timing of a review. Research limitations/implications – The study involved the MPS, and its relevance to review processes elsewhere, whilst likely, is unproven. Further research could identify whether similar issues arise elsewhere, although the findings of this study could encourage other forces to undertake internal reviews of their own systems and processes to understand whether improvements could be made. Whilst over a third of the SIOs and Murder Investigation Team managers took part in the study, a fifth of the review officers were interviewed. Practical implications – MPS should amend the objectives of a MCR to reflect the role they play in the prevention of miscarriages of justice. The MPS should conduct a skills analysis of existing staff. Reviewers should be appointed to cases within their sphere of expertise, and should all be qualified at Professionalising the Investigative Process (PIP) Level 3. The MPS should consider an arbitration process for contested review recommendations. The College of Policing should consider a PIP development programme for proactive SIOs. The College of Policing should review and support SIO continuing professional development opportunities within the MPS. Originality/value – The findings are relevant to any police service currently undertaking 28-day reviews of unsolved homicide investigations

    Professionalizing criminal investigation: an examination of an early attempt to support specialization in criminal investigation

    Get PDF
    This article explores perceptions of individuals involved in an early attempt to professionalize detective work in Kent, UK. In 2000, Kent Police developed a Strategic Policing Doctrine incorporating a learning and development strategy. These ideas resulted in a partnership between Kent Police and Canterbury Christ Church University producing the Advanced Detective Training (ADT) programme including a university qualification, the BSc (Hons) in Applied Criminal Investigation delivered between 2001 and 2006. This research, conducted in 2016, used semi-structured interviews with 27 participants including: trainers, academic staff, students, and the Chief Constable. The research revealed that there were challenges in the selection of candidates, use of the term ‘advanced’ in the programme title and the abstraction of ADT trainees. A very high proportion of ADT officers valued the ‘training’ part of the programme with the majority valuing the ‘academic input’. This research provides a useful analysis of previous attempts to develop detective professionalization and accredited learning relevant for programme designers responding to the introduction of the Police Education Qualification Framework and direct entry and fast track detective training
    • 

    corecore