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David Shapiro (born November 25, 1946) is an American economist at the Pennsylvania State University. He joined the Penn State faculty [1] in 1980. He is a leading academic in the field of Economic Demography, specializing in fertility transition in sub-Saharan Africa and in the study of children's schooling in Africa.
The American Optical Company, also known as AO Eyewear, is a luxury American eyewear and sunglass company based in Vernon Hills, Illinois near Chicago. AO designs and manufactures in the United States.