List of Articles hardship Open Access Article Abstract Page Full-Text 1 - A game-theoretical approach to evaluating foreign direct investment in the manufacturing sector due to the economic and social index Hamed Amini Morteza Rasti-Barzoki Open Access Article Abstract Page Full-Text 2 - Examining Economic Hardship and Cosmopolitanism on Animosity and Consumer Purchase Intention (Case Study: Products of Pars Khazar Company) Esmaeil Akbari Shabkhoslati Elham Faridchehr Majid Ahmadi Open Access Article Abstract Page Full-Text 3 - The need for a duty to re-negotiate international contracts, with an emphasis on oil and gas upstream contracts and fundamentals of jurisprudence and law Abdolrahim Moradi