The student correctly uses subject-specific terminology that is relevant to the chosen article and key concepts, including terms such as subsidies, taxes, opportunity cost, and negative externalities. This terminology is consistently incorporated throughout the work, demonstrating a solid understanding of economic concepts. For instance, the student effectively explains how government subsidies reduce production costs and increases supply, as well as how lower import taxes impact the electric vehicle market. Additionally, the use of terms like "price elasticity of demand" to discuss the tax burden on producers indicates a strong grasp of relevant economic principles.