“公共经济(学)”与“财政(学)”及“公共财政(学)”是既联系又不等同的概念和范畴。“公共经济学”的研究对象,除了包括政府进行的活动,还包括非政府进行的其他公共活动。这一概念大大拓展了财政学的研究范围,有利于财政理论、实践和教学的发展。 “Public economy (learning)” and “finance (learning)” and “public finance (learning)” are both connected and not the same concept and category. The object of study in “Public Economics” includes not only government-run activities but also other non-government-run public activities. This concept greatly expanded the scope of the study of finance, is conducive to the development of financial theory, practice and teaching.