Social Security and the Evolution of Elderly Poverty

Abstract

We use data from the March 1968-2001 Current Population Surveys to document the evolution of elderly poverty over this time period, and to assess the causal role of the Social Security program in reducing poverty rates.We develop an instrumental variable approach that relies on the large increase in benefits for birth cohorts from 1885 through 1916, and the subsequent decline and flattening of real benefits growth due to the Social Securing "notch", to estimate the causal effect of Social Security on elderly poverty.Our findings suggest that over all elderly families the elasticity of poverty to benefits is roughly unitary.This suggests that reductions in Social Security benefits would significantly alter the poverty of the elderly.

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