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Analyzing an Aging Population -- A Dynamic General Equilibrium Approach

By Shinichi Nishiyama


This paper shows the macroeconomic and welfare implications of an aging population in the United States, using an overlapping-generations model with heterogeneous households. The model uses three population projections in Social Security Administration (2003), and generates economies as equilibrium transition paths from 1961 to 2200. The paper demonstrates how several different population projections and government financing assumptions— to make the Social Security system sustainable—affect households’ decisions and welfare. One of the policy experiments shows that an immediate increase in the payroll tax may no

Topics: Key Words, Social Security, Life Cycle, Overlapping Generations, Heterogeneous Agent
Year: 2004
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