“Evaluating highway public-private partnerships: Evidence from U.S. value for money studies,” Kweun, Jeong Yun, Porter K. Wheeler, Jonathan L. Gifford. 2017. Transport Policy. In Press.
“Public–private partnerships: a review of economic considerations with particular reference to transportation projects,” Button, Kenneth. 2016. Transportation Planning and Technology 39:2, 136-161.
“Data Review of Transportation Infrastructure Public-Private Partnerships: A Meta-Analysis.” Chen, Zhenhua, Nobuhiko Daito, Jonathan L. Gifford. 2015. Transport Reviews. doi:10.1080/01441647.2015.1076535.
“The Evolution of Virginia’s Public-Private Partnership Enabling Statutes.” Gifford, Jonathan, Morghan Transue. 2015. The Journal of Corporation Law. 141, pp.15-23.
“U.S. Highway Public Private Partnerships: Are They More Expensive or Efficient than the Traditional Model?” Daito, Nobuhiko, and Jonathan L. Gifford. 2014. Managerial Finance. 40 (11): 1131 – 1151, doi: 10.1108/MF-03-2014-0072.
“Do State Fiscal Constraints Affect Implementation of Highway Public-Private Partnerships? A Panel Fixed Logit Assessment.” Chen, Zhenhua, Nobuhiko Daito, and Jonathan L. Gifford. 2014. Journal of Transportation Research Forum. 53 (2): 111-128, summer, www.trforum.org/journal/downloads/2014v53n2_07_FiscalConstraints.pdf.
“Demand Forecasting Errors and the Ownership of Infrastructure.” Button, Kenneth J., and Zhenhua Chen. 2014. Applied Economics Letters. 21 (7): 494-496, doi: 10.1080/13504851.2013.870642.
“Sharing out the costs of a public-private partnership.” Button Kenneth J., and Nobuhiko Daito. 2014. Applied Economics Letters. 21 (6): 383-386, doi: 10.1080/13504851.2013.856995.
“Implementing public-private partnerships during challenging economic times: case study of the 495 Express Lanes on the Virginia portion of the Washington Capital beltway Project (USA).” Daito, Nobuhiko, Zhenhua Chen, Jonathan L. Gifford, Tameka Porter, and John Gudgel. 2013. Case Studies on Transport Policy. 1 (1): 25-45, doi: 10.1016/j.cstp.2013.07.001.