Integration of Liability Payment and New Funding Entries in the Optimal Design of a Supply Chain Network

Document Type : Research Paper


1 Department of Industrial Engineering, North Tehran branch, Islamic Azad University, Tehran, Iran

2 Department of Mechanical Engineering, Arak University of Technology, Arak, Iran

3 Department of Industrial Engineering, North Tehran branch, Islamic Azad University, Tehran



In recent years, the supply chain network design (SCND) problems that integrate financial issues have attracted the attention of managers and researchers. In this paper, in order to address an SCND problem, a mixed-integer nonlinear programming (MINLP) model developed that considers operational and financial decisions simultaneously for designing a deterministic multi-echelon, multi-product, and multi-period supply chain network. The developed model provides the possibility of opening or closing facilities at every time period to adapt to market fluctuations. The model also considers bank loans, liability repayment, and new capital from shareholders as decision variables, therefore, it provides an accounts payable policy for the company managers. In addition to common operational objectives(profit/cost) and constraints, we also applied the economic value added (EVA) index to measure the financial performance of supply chain and lower and/or upper limit value for financial ratios to ensure the company's financial health, while making decisions at strategic and tactical levels. To show the model applicability, data of a case study in the literature employed and solved using BARON solver in GAMS software. The results clearly show an improvement in the total value created for the company compared to the base model, so it can be applied as an effective decision tool.


  • Receive Date: 11 June 2021
  • Revise Date: 24 September 2021
  • Accept Date: 30 September 2021
  • First Publish Date: 10 October 2021