The student correctly uses subject-specific terminology that is relevant to the chosen article and key concept, incorporating terms such as "indirect tax," "excise tax," "negative consumption externalities," and "allocative inefficiency." The student also references "Pigouvian tax" and "market failure," which reflects a solid understanding of government intervention in the economy. Additionally, the incorporation of this terminology is evident throughout the entire work, contributing to a coherent examination of the effects of the intervention on the market. Overall, the effective use of economic terminology demonstrates the student's clear grasp of the relevant concepts.