This is the first comprehensive study of corruption in international investment arbitration. The book considers the limited effectiveness of efforts to combat transnational corruption in international law and the emergence of international investment arbitration as a singular means for effective control of corruption within the international legal order. The case law on corruption by investment tribunals is studied exhaustively, jurisprudential trends are identified, and reforms aimed at enhancing the effectiveness and fairness of investment arbitration as a mechanism to combat corruption are...