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"With the onset of the aging demographic revolution, it is essential that the general public begin planning for their future care requirements, " said Bill Novelli, chief executive officer of AARP, an advocacy group for older Americans.
CNN: Study: Americans nearing retirement ignorant about cost of care
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Demographic causes and consequences of the industrial revolution, by Julian L. Simon, in The Journal of European Economic History, spring 1994.
ECONOMIST: Millennium issue
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Until recently, most archeologists continued to ascribe the Neolithic revolution to a combination of climatic and demographic factors.
NEWYORKER: The Sanctuary