Full-text available at SSRN. See link in this record.This paper examines why parties agree to arbitrate. Or, more specifically, it examines whether parties agree to arbitrate for procedural reasons or for substantive reasons. Procedural reasons focus on how the arbitral process differs from the litigation process: it may be faster, cheaper, or avoid "hometown justice," for example. Substantive reasons focus on the rules of decision in arbitration versus litigation: parties may want a decision maker who applies more formalistic rules than courts would apply or rules (such as transnational law) that are separate from national laws, for example. Of course, parties can agree to arbitrate for both procedural and substantive reasons, and some r...