تحليل تصميمات مربوط به توليد دو نوع موتور خودرو معمولي و پيشرو با در نظر گرفتن سياست هاي حمايتي دولت با استفاده از رويكرد نظريه بازي

Abstract: In recent years, increasing environmental pressures an‎d the global shift towards sustainable development have challenged the automotive industry to reduce emissions an‎d optimize fuel efficiency. As a critical component, the car engine plays a pivotal role in energy consumption an‎d pollution levels. This research investigates the competition between two engine manufacturers—one producing regular engines an‎d the other producing leading (advanced) engines—within a supply chain framework. The primary objective is to model the strategic interactions among these manufacturers, automakers, an‎d the government using a Game Theory approach In this model, the government acts as an intervening player aiming to maximize social welfare an‎d minimize pollution by implementing various support policies, including direct production subsidies, tax exemptions, an‎d consumer purchase incentives. The decision-making structure is developed based on Stackelberg an‎d Nash equilibrium models to determine optimal values for key variables such as price, technology level, fuel efficiency rate, an‎d market deman‎d. The results obtained from numerical analysis an‎d sensitivity analysis demonstrate that smart government policies can shift the competitive balance in favor of the leading product, thereby incentivizing the manufacturer to upgrade technology an‎d reduce fuel consumption. Furthermore, the findings indicate that support scenarios, compared to a non-intervention scenario, lead to simultaneous improvements in environmental indicators an‎d the overall economic utility of the supply chain. This study provides a scientific framework for policymakers to achieve sustainable development goals by fine-tuning tax an‎d subsidy rates.

حامد جعفري , امير حسيني

محمد خدائي

معصومه مسي بيدگلي , محمداسماعيل نظري