Ideas and Institutional Change in Social Security: Conversion, Layering, and Policy Drift

In recent years, social scientists such as Kathleen Thelen and Jacob Hacker have introduced new concepts to assist in the understanding of institutional change. Fostering some of these concepts, this article proceeds to augment the theoretical debate on institutional change in social science and policy research. A discussion of Social Security development in the United States advances the article's main objective: to uncover the relationship between ideational processes and policy development. Copyright (c) 2007 Southwestern Social Science Association.