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Bjørn Lomborg, The Skeptical Environmentalist: Measuring the Real State of the World Andrew Mason and Georges Tapinos (eds.), Sharing the Wealth: Demographic Change and Economic Transfers between Generations Nancy Foner, Ruben G. Rumbaut, and Steven J. Gold (eds.), Immigration Research for a New Century: Multidisdplinary Perspectives
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John R. Wilmoth (2001) studied this question.
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