MAP20070021438Newhouse, Joseph P.Free for all? : lessons from the RAND health insurance expirement / Joseph P. Newhouse and the Insurance Experiment Group and a RAND study. — Cambridge and London : Harvard University Press, 1993X, 489 p. ; 24 cmSumario: In the most important health insurance study ever conducted, researchers at the RAND Corporation devised an experiment to address two key questions in health care financing: how much more medical care will people use if it is provided free of charge, and what are the consequences for their health? For three-or five-year periods the experiment measured both use and health outcomes in populations carefully selected to be representative of both urban and rural regions throughout the United States