Executive-legislative competition in agenda setting: an analysis of longitudinal changes in South Korea

The historical patterns of executive dominance in national policymaking have undergone a rapid transformation in South Korea. In the context of an emerging institutional rivalry between the executive and legislative branches in forming national policies, this study examines a causal nexus among the agenda power parity, jurisdictional complexity, and the scope and diversity of the national agenda space. A series of data analyses on various original measures of the key variables reveal that the two dimensions of the national agenda space have been reshaped via different causal processes. While the rise of the legislative power in agenda setting and the complexity of legislative jurisdictions tend to increase the scope of the national agenda space, democratic transition subsumes the influence of all other factors in increasing the diversity of the national agenda space.