Efficiency of Highway Delivery, Operation and Maintenance: A Frontier Analysis Approach Contact For general inquiries, the P3 Center can be contacted at: [email protected] Dr. Gifford, Center Director, can be contacted at: [email protected] Phone: 703-993-2275 Fax: 703-993-8215 Stay connected! Sign up to receive the latest updates and news straight to your inbox! Daito, Nobuhiko, and Jonathan L. Gifford. 2013. Paper presented at the International Conference of Innovation in Public Finance, June 17-19, in Milan, Italy. ← Research Needs for Virginia Transportation Public-Private Partnership Policy → U.S. Public-Private Partnerships: Prospects for the Future