Summary

How do the beliefs of leaders affect foreign policy decision-making processes and outcomes? This question has been central to the study of foreign policy decision making (FPDM), yet it receives scant attention in the broader international relations literature. Although many controversies and debates surround the issue of specifically how political leaders’ beliefs affect foreign policy decisions and outcomes, there is one key assumption in this literature that is universally accepted: leaders matter. Individual leaders, their unique beliefs, and their distinctive cognitive limitations affect both the quality of the decision-making process and the direction of the foreign policy outcomes. The beliefs and images leaders hold act as powerful frames and limitations to incoming information. Despite the rich history of the field, scholars who study beliefs still have much more work to do to expand the generalizability of the qualitative findings in the literature. Scholars need more data, deriving from more sources, for more leaders, so that they can generate larger and more comprehensive datasets. Indeed, there is a great opportunity to expand this field of research and to paint a clearer picture of the decision-making process.