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We test the effect of a change in the sex ratio on marital assortative matching by social class using a large negative exogenous shock to the French male population due to WWI casualties. We analyze a novel data set that links marriage-level data to both French censuses of population and regional data on military mortality. We instrument the sex ratio in a(More)
Adult obesity is a growing problem. From 1962 to 2006, obesity prevalence nearly tripled to 35.1 percent of adults. The rising prevalence of obesity is not limited to a particular socioeconomic group and is not unique to the United States. Should this widespread obesity epidemic be a cause for alarm? From a personal health perspective, the answer is an(More)
If rational individuals pay the full costs of their decisions about food intake and exercise, economists, policy makers, and public health officials should treat the obesity epidemic as a matter of indifference. In this paper, we show that, as long as insurance premiums are not risk rated for obesity, health insurance coverage systematically shields those(More)
OBJECTIVES The objectives of this study were to examine the impact of postpartum hospital-stay legislation on newborns' length of stay, neonatal readmissions, and 1-year mortality in California, and whether this legislation had differential impacts by demographics and complications during delivery or pregnancy. METHODOLOGY This study used linked birth(More)
OBJECTIVE To investigate the effects of high-deductible health plans (HDHPs) and consumer-directed health plans (CDHPs) on healthcare spending and on the use of recommended preventive care. STUDY DESIGN Retrospective study. METHODS We analyzed claims and enrollment data for 808,707 households from 53 large US employers, 28 of which offered HDHPs or(More)
This study provides (a) new estimates of U.S. hospital profitability by payer group, controlling for hospital characteristics, and (b) evidence about the intensity of care for particular diseases associated with the generosity of the patient's payer and other payers at the same hospital. The conceptual framework is a variant of the well-known model of a(More)
Foreign-born adults in Los Angeles County, California, constituted 45 percent of the county's population ages 18-64 but accounted for 33 percent of health spending in 2000. Similarly, the undocumented constituted 12 percent of the nonelderly adult population but accounted for only 6 percent of spending. Extrapolating to the nation, total spending by the(More)
With the implementation of the Affordable Care Act (ACA) under way, some policy makers have questioned the continued relevance of the Ryan White HIV/AIDS Program as a safety net for people living with HIV/AIDS. We surveyed HIV care providers to understand the role of the Ryan White Program and to identify concerns regarding the ACA implementation. We also(More)
BACKGROUND Health systems in Sub-Saharan Africa (SSA) are in urgent need of improvement. The private health sector is a major provider of care in the region and it will remain a significant actor in the future. Any efforts by SSA governments to improve health systems performance therefore has to account for the private health sector. Regional and(More)
BACKGROUND There is evidence to suggest that antiretroviral therapy (ART) and testing for human immunodeficiency virus (HIV) reduce the probability of transmission of HIV. This has led health officials across the United States to take steps toward a test-and-treat policy. However, the extent of the benefits generated by test-and-treat is debatable, and(More)