Prepaid financing of primary health care in Guinea-Bissau : an assessment of 18 village health posts

With population growth increasing and budgets declining, the need for cost recovery in health care has grown. This paper discusses a prepayment scheme for drugs and limited primary health care at 18 village health posts in Guinea-Bissau. At these health posts, adverse selection was reduced because enrollment in each village was almost universal. The villager provided construction materials and labor and indicated their willingness to pay more if drugs were available on a timely basis. Villagers'willingness to prepay was often linked to better service, with drugs more readily available and midwidves better trained. Still, the quality of service at village health posts can only be as good as the support they get from the rest of the health care system. Authorities must strengthen health center support services and improve the drug resupply system.Health Monitoring&Evaluation,Health Systems Development&Reform,Housing&Human Habitats,Agricultural Knowledge&Information Systems,Regional Rural Development

The Cost of Insecure Property Rights: R2 Revisited

In the conventional CAPM model only a single risk factor is considered. However, using a world market portfolio to estimate systematic risk in national portfolios little of the required rate of return is explained in developing as compared to developed countries. Adding a factor representing institutional risk the predictive power increases substantially. By stressing importance of property and investor rights in this fashion, we add to the research on international differences in R2 initiated by Morck et al. (2000). Our findings are consistent with the hypothesis that stock price synchronicy depends on the institutional quality.Asset pricing; International financial markets; Property rights; Financial economics

Ownership Structure, Control and Firm Performance: The Effects of Vote Differentiated Shares

This paper contributes to the literature on ownership, control and performance by exploring these relationships for Swedish listed companies (1997-2002). We find that firms, on average, are making inferior investment decisions and that the use of dual-class shares have a negative effect on performance. According to our results concentration of ownership has a negative impact on investment performance and firm value when control instruments that separate votes from capital share are used. Marginal q is used as a measure of economic performance. It was presented in an article by Mueller and Reardon in 1993 and has recently been used in empirical studies of ownership and performance by among others Gugler and Yurtoglu (2003). Frequently Tobin’s q is used in studies of this type, but Tobin’s q has a number of disadvantages which can be circumvented by employing a marginal q. This study adds to earlier studies by investigating how the separation of vote and capital shares’ creates a wedge between the incentives and the ability to pursue value maximization. The relationships between the performance measure and different ownership characteristics like ownership concentration and foreign ownership are also investigated.marginal q; ownership structure; firm performance; investments; dual-class shares

Institutional Ownership and the Returns on Investment

By examining a large number of Swedish listed firms, we analyse how institutional and foreign owners affect investment performance. To measure investment performance Mueller and Reardon’s (1993) marginal q is used, although derived directly from Tobin’s average q. Marginal q measures the ratio of the return on investment to the cost of capital. Our findings show that both domestic and foreign institutional owners positively influence firm performance. Furthermore a non-linear relation between institutional ownership concentration and performance is found. This is consistent with positive incentive effects and negative entrenchment effects. During the last decades the ownership structure of Swedish firms has undergone dramatic changes: institutional and foreign investors have been increasing their stakes, whereas Swedish households have decreased in importance. Controlling owners, often founding families, remain in control by resorting to an extensive use of dual-class shares. The practice of dual-class shares which separates cash-flow rights and control rights is also found to be an important determinant of firm performance that eradicates the positive influence of institutional ownership.Corporate governance; institutions; ownership; performance; Tobin’s q; marginal q;

Effect of impurities on morphology and growth mode of (111) and (001) epitaxial-like ScN films

ScN material is an emerging semiconductor with an indirect bandgap. It has attracted attention for its thermoelectric properties, use as seed layers, and for alloys for piezoelectric application. ScN or other transition metal nitride semiconductors used for their interesting electrical properties are sensitive to contaminants, such as oxygen or fluorine. In this present article, the influence of depositions conditions on the amount of oxygen contaminants incorporated in ScN films were investigated and their effects on the electrical properties (electrical resistivity and Seebeck coefficient) were studied. The epitaxial-like films of thickness 125 +-5 nm to 155 +-5 nm were deposited by D.C.-magnetron sputtering on c-plane Al2O3, MgO(111) and r-plane Al2O3 at a substrate temperature ranging from 700 to 950 degree C. The amount of oxygen contaminants presents in the film, dissolved into ScN or as an oxide, was related to the adatom mobility during growth, which is affected by the deposition temperature and the presence of twin domain growth. The lowest values of electrical resistivity of 50 micro-ohm cm were obtained on ScN(111)/MgO(111) and on ScN(001)/r-plane Al2O3 grown at 950 degree C with no twin domains and the lowest amount of oxygen contaminant. At the best, the films exhibited an electrical resistivity of 50 micro-ohm cm with Seebeck coefficient values maintained at -40 microV K-1, thus a power factor estimated at 3.2 10-3 W m-1 K-2 (at room temperature)

Double Secret Protection: Bridging Federal and State Law To Protect Privacy Rights for Telemental and Mobile Health Users

Mental health care in the United States is plagued by stigma, cost, and access issues that prevent many people from seeking and continuing treatment for mental health conditions. Emergent technology, however, may offer a solution. Through telemental health, patients can connect with providers remotely—avoiding stigmatizing situations that can arise from traditional healthcare delivery, receiving more affordable care, and reaching providers across geographic boundaries. And with mobile health technology, people can use smart phone applications both to self-monitor their mental health and to communicate with their doctors. But people do not want to take advantage of telemental and mobile health unless their privacy is protected. After evaluating the applicability of current health information privacy law to these new forms of treatment, this Note proposes changes to the federal regime to protect privacy rights for telemental and mobile health users

Journal Staff

We employ monochromatized electron energy loss spectroscopy to study Ti3SiC2 and Ti3AlC2. By probing individual grains aligned along different axes in bulk polycrystalline Ti3SiC2 and Ti3AlC2, this approach enables determination of the anisotropy of the dielectric functions and an estimate of the free-electron lifetime in different orientations. The dielectric functions are characterized by strong interband transitions in the low energy region. The energies plasmon resonance were determined to be approximate to 5 eV and exhibit a strong orientation-dependence. Our measurements show that the free-electron lifetimes are also highly orientation-dependent. These results suggest that scattering of carriers in MAX phases is very sensitive to composition and orientation.Original Publication:G Hug, Per Eklund and A Orchowski, Orientation dependence of electron energy loss spectra and dielectric functions of Ti3SiC2 and Ti3AlC2, 2010, ULTRAMICROSCOPY, (110), 8, 1054-1058.http://dx.doi.org/10.1016/j.ultramic.2010.05.007Copyright: Elsevier Science B.V., Amsterdam.http://www.elsevier.com

Optical and mechanical properties of amorphous Mg-Si-O-N thin films deposited by reactive magnetron sputtering

In this work, amorphous thin films in Mg-Si-O-N system were prepared in order to investigate the dependence of optical and mechanical properties on Mg composition. Reactive RF magnetron co-sputtering from magnesium and silicon targets were used for the deposition of Mg-Si-O-N thin films. Films were deposited on float glass, silica wafers and sapphire substrates in an Ar, N2 and O2 gas mixture. X-ray photoelectron spectroscopy, atomic force microscopy, scanning electron microscopy, spectroscopic ellipsometry, and nanoindentation were employed to characterize the composition, surface morphology, and properties of the films

An upgraded ultra-high vacuum magnetron-sputtering system for high-versatility and software-controlled deposition

Magnetron sputtering is a widely used physical vapor deposition technique. Reactive sputtering is used for the deposition of, e.g, oxides, nitrides and carbides. In fundamental research, versatility is essential when designing or upgrading a deposition chamber. Furthermore, automated deposition systems are the norm in industrial production, but relatively uncommon in laboratory-scale systems used primarily for fundamental research. Combining automatization and computerized control with the required versatility for fundamental research constitutes a challenge in designing, developing, and upgrading laboratory deposition systems. The present article provides a detailed description of the design of a lab-scale deposition chamber for magnetron sputtering used for the deposition of metallic, oxide, nitride and oxynitride films with automated controls, dc or pulsed bias, and combined with a coil to enhance the plasma density near the substrate. LabVIEW software (provided as Supplementary Information) has been developed for a high degree of computerized or automated control of hardware and processes control and logging of process details.Comment: 17 pages, 8 figure