Segi, S. and Kobayashi, K. (2013) Dynamic infrastructure investment strategies and life-extension benefits, 60th Annual North American Meetings of the Regional Science Association International, Atlanta.
Segi, S. and Kobayashi, K. (2014) Second best toll pricing of highway taking account of maintenance costs, 17th Uddevalla Symposium, Uddevalla.
Segi, S. and Anderson, W. P. (2014) Measuring the cost of crossing time uncertainty at the Canada-US border via supply chain costs, 61st Annual North American Meetings of the Regional Science Association International, Washington D.C.
Segi, S., Ninomiya, T., Kimoto, H. and Motono, I. (2016) Improving Container Yard Operation with the Prior Information of Trailer Arrival Date: A Practice at Port of Hakata, Proceedings of the Annual Conference of International Association of Maritime Economists 2016, Hamburg. (Peer-reviewed)
Segi, S., Furuichi, M., and Ninomiya, T. (2017) Assessing the value of information from truck tracking system for congested container terminal, The Annual Conference of International Association of Maritime Economists 2017, Kyoto.
Segi, S. and Kobayashi, K. (2018) Second Best Toll Pricing of Highway Taking Account of Maintenance Costs, In: Transportation, Knowledge and Space in Urban and Regional Economics edited by Kakuya Matsushima and William P. Anderson, Edward Elgar.
Xu, D., Kobayashi, K., Matsushima, K., Hasan, S. H. and Segi, S. (2018) Global infrastructure and production division by heterogeneous firms, In: Economic Integration and Regional Development, The ASEAN Economic Community, edited by Kiyoshi Kobayashi, Khairuddin Abdul Rassid, Masahiko Furuichi and William, P. Anderson, Routledge.