chaper 1 MAPPING INTERNATIONAL ADJUDICATIVE BODIES, THE ISSUES, AND PLAYERS Cesare PR Romano, Karen J Alter, AND Yuval Shany 1. Some Key Deinitions and Concepts 4 2. Mapping International Adjudicative Bodies 9 3. Common Challenges 15 4. he Actors Involved 23 5. heoretical Models 25 The editors’ preface to this volume explained how the study of international adjudi- cation has changed over time, and how this handbook takes a new approach to the topic of international adjudication. Our primary goal for this introductory chapter is to document the institutional, legal, and empirical terrain that is the focus of this 01_9780199660681_c01.indd 3 01_9780199660681_c01.indd 3 28-11-2013 23:42:04 28-11-2013 23:42:04