Professor Caiden has research and teaching interests in several areas of public administration, notably comparative and development administration, administrative theory, and the study of maladministration and bureaupathology. He is responsible for over 29 books and over 270 academic articles on diverse topics, such as administrative corruption, public accountability, auditing, ombudsman, public service ethics, comparative administrative cultures, and public management systems. He is best known for his pioneering studies in administrative reform, organizational diagnosis, ombudsman, comparative corruption, and public sector innovations. He was editor of The International Journal of Technical Cooperation (London, 1995-1999). He is formerly a member of the U.N. Panel of Experts in Public Administration and Development. Professor Caiden won the USC Mellon Foundation Award for Excellence in Mentoring for the 2005-2006 academic year.