SOCIAL WELFARE POLICY IN RESPONSE TO ECONOMIC CHANGE: FIFTY YEARS OF SOCIAL SECURITY. ELIZABETH A. SEGAL 10027/15178 https://indigo.uic.edu/articles/thesis/SOCIAL_WELFARE_POLICY_IN_RESPONSE_TO_ECONOMIC_CHANGE_FIFTY_YEARS_OF_SOCIAL_SECURITY_/10839431 SOCIAL WELFARE POLICY IN RESPONSE TO ECONOMIC CHANGE: FIFTY YEARS OF SOCIAL SECURITY. 2014-03-18 00:00:00 Social Work.