Application of particle swarm optimization and robust net present value for BOT-type contracts

Soheil Emamian, Seyed Gholamreza Jalali Naini and Kamran Shahanaghi

Transportation Planning and Technology, 2017, vol. 40, issue 8, 901-913

Abstract: Major infrastructure construction projects contracted to private companies by governments are important for maximizing profitability. This paper extends an existing build–operate–transfer (BOT) concession model (BOTCcM) for identifying the reasonable concession period which would be profitable both to the government and to the private sector. There are some major limitations with BOTCcM – for example, the total investment cost is pre-given and the impact of uncertainty of parameters affecting the concession period were not considered. In this research, the total investment cost is assumed as variable which should be optimally determined and the uncertainty of net cash flows is considered. Further, the proposed model is implemented to calculate the robust concession period and required capital for the construction period, using the obtained values and particle swarm optimization method.

Date: 2017
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DOI: 10.1080/03081060.2017.1355884

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