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  • Shelly Lundberg and Robert A. Pollak, "Cohabitation and the Uneven Retreat from Marriage in the U.S., 1950-2010," NBER Working Paper 19413 (2013), https://doi.org/10.3386/w19413.

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2026, 18th Annual Feldstein Lecture, Mark Duggan, "Social Security Reform in an Era of Fiscal Deficits" Primary tabs
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Mark Duggan, who is currently the Wayne and Jodi Cooperman Professor of Economics at Stanford University and will soon...
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