Global Journal of Human Social Science, E: Economics, Volume 22 Issue 7

Hypothetical Research Model Based on the hypotheses presented, the hypothetical model of the present study is shown in figure 1. Figure 1. The hypothetical research model Figure 1: The hypothetical research model Lack of successive changes in the project implementation team Adequate expertise Proper installation, commissioning and troubleshooting of equipment Timely payment to the contractor Applying project cost management Applying project risk management Applying project communication management Creating innovation and using new technologies Economic stability Coherence of organizational structure Proper design and engineering Proper project planning Timely financing Timely supply of equipment Quality manpower Knowledgeable project manager and workshop supervisor Project control Avoiding complex bureaucracy Quality materials and equipment Selection of quality subcontractors Increasing the EPC contractors’ profit © 2022 Global Journals Volume XXII Issue VII Version I 63 ( ) Global Journal of Human Social Science - Year 2022 E Designing an Optimal Model to Implement and Increase the Profitability of EPC Projects