There are two broad traditions that provide alternative ways of understanding policy choice and the factors that influence the adoption, implementation, and consolidation of economic reform initiatives. The first is called the new political economy (NPE), which applies the tools of economic analysis to political phenomena. The second strand is the new institutionalism, with origins in sociological theory, which stress concepts of conflict, group consciousness, intitutions, and power. the theoretical divide, then, is then, is that between those who draw on economic theory and those who draw in sociology. The first group searches for explanations that apply to cross sections of countries; the latter prefers the case study approach and insists that political behavior is always rooted in context and specificity [ABSTRACT FROM AUTHOR]