Generosity of health insurance plans varies widely by state; Urban states get more for their premium dollar
Employees in the smallest firms (1-9 workers) pay an average 18% more in health insurance premiums than those in the largest firms (1,000+ workers), when actuarial value--the percentage of total medical expenses paid by a health plan--is taken into account, a new Commonwealth Fund-supported study finds.
In this look at employer-provided health coverage, researchers found that type of health plan is the key determinant of both actuarial value and adjusted cost. The adjusted premiums are 25% higher for indemnity plans and 18% higher for preferred provider organization (PPO) plans than HMOs. Higher administrative costs from marketing, medical underwriting (the process by which insurers assess medical risk), and greater risks are some of the factors that contribute to the difference in premiums, say Jon Gabel, vice president of the Center for Studying Health System Change, and colleagues, authors of the new study published in the May/June issue of the journal Health Affairs.
Mary Mahon | EurekAlert!
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
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In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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