The Community Safety Net and Prescription Drug Access for Low-Income, Uninsured People

Examines strategies adopted by hospitals and community health centers to maintain access to affordable brand name and generic prescription drugs. Based on site visits to twelve nationally representative communities

Competition and Enterprise Performance in Transition Economies: Evidence from a Cross-country Survey

This paper uses a survey of 3,300 firms in 25 transition countries to shed light on the factors that influence restructuring by firms and their subsequent performance as measured by growth in sales and in sales per employee over a three-year period. We begin by surveying what a decade of transition has taught us about the factors that determine how firms respond to the new market environment. We go on to analyse the impact on performance of ownership, soft budget constraints, the general business environment and a range of measures of the intensity of competition as perceived by a firm. We find that competition has an important and non-monotonic effect on the growth of sales and of labour productivity: some degree of perceived market power is associated with higher sales growth, but competitive pressure is also important. Similar competition effects are found upon firms' decisions to develop and improve their products, but market power has an unambiguously negative impact on purely defensive (cost-reducing) restructuring activity. New firms have grown relatively fast, but among old firms ownership per se has no significant relationship to performance (though state-owned firms have engaged in significantly less development of new products). Soft budget constraints have a broadly negative and the business environment a broadly positive impact on restructuring and performance.http://deepblue.lib.umich.edu/bitstream/2027.42/39760/3/wp376.pd

Azimuthal Asymmetry of Direct Photons in High Energy Nuclear Collisions

We show that a sizeable azimuthal asymmetry, characterized by a coefficient v_2, is to be expected for direct photons produced in non-central high energy nuclear collisions. This signal is generated by photons radiated by jets interacting with the surrounding hot plasma. The anisotropy is out of phase by an angle $\pi/2$ with respect to that associated with the elliptic anisotropy of hadrons, leading to negative values of v_2. Such an asymmetry, if observed, could be a signature for the presence of a quark gluon plasma and would establish the importance of jet-plasma interactions as a source of electromagnetic radiation.Comment: New title. Final versio

The health and well-being of older adults with dual sensory impairment (DSI) in four countries

Objectives Dual sensory impairment (DSI) is a combination of vision and hearing impairments that represents a unique disability affecting all aspects of a person’s life. The rates of DSI are expected to increase due to population aging, yet little is known about DSI among older adults (65+). The prevalence of DSI and client characteristics were examined among two groups, namely, older adults receiving home care services or those residing in a long-term care (LTC) facility in four countries (Canada, US, Finland, Belgium). Methods Existing data, using an interRAI assessment, were analyzed to compare older adults with DSI to all others across demographic characteristics, functional and psychosocial outcomes. Results In home care, the prevalence of DSI across the four countries ranged from 13.4% to 24.6%; in LTC facilities, it ranged from 9.7% to 33.9%. Clients with DSI were more likely to be 85+, have moderate/severe cognitive impairment, impairments in activities of daily living, and have communication difficulties. Among residents of LTC facilities, individuals with DSI were more likely to be 85+ and more likely have a diagnosis of Alzheimer’s disease. Having DSI increased the likelihood of depression in both care settings, but after adjusting for other factors, it remained significant only in the home care sample. Conclusions While the prevalence of DSI cross nationally is similar to that of other illnesses such as diabetes, depression, and Alzheimer’s disease, we have a limited understanding of its affects among older adults. Raising awareness of this unique disability is imperative to insure that individuals receive the necessary rehabilitation and supportive services to improve their level of independence and quality of life

Gamma-band synchronization in the macaque hippocampus and memory formation

Increasing evidence suggests that neuronal synchronization in the gamma band (30–100 Hz) may play an important role in mediating cognitive processes. Gamma-band synchronization provides for the optimal temporal relationship between two signals to produce the long-term synaptic changes that have been theorized to underlie memory formation. Although neuronal populations in the hippocampus oscillate in the gamma range, the role of these oscillations in memory formation is still unclear. To address this issue, we recorded neuronal activity in the hippocampus while macaque monkeys performed a visual recognition memory task. During the encoding phase of this task, hippocampal neurons displayed gamma-band synchronization. Additionally, enhanced gamma-band synchronization during encoding predicted greater subsequent recognition memory performance. These changes in synchronization reflect enhanced coordination among hippocampal neurons and may facilitate synaptic changes necessary for successful memory encoding

Theoretical study of electronic relaxation processes in hydrated Gd³⁺ complexes in solutions

The EPR line widths of [Gd(H2O)(8)](3+) measured in water at various magnetic fields by Merbach's group have been reinterpreted. A theoretical model of the transverse electronic relaxation is proposed, All the terms of the static zero-field splitting (ZFS) allowed by the symmetry of the complex are included and shown to have a significant contribution. The influence of a transient distortion ZFS is also studied