Qingdao University (Qu for short) is located in Qingdao, Shandong Province, and is a key comprehensive university in Shandong Province. Universities have been established in Shandong Province and Qingdao City, and high-level universities in Shandong Province have been built into "first-class" universities, with a national cultural quality education base for college students and an education base in China. It is the first batch of pilot universities for the comprehensive reform of undergraduate majors in local universities, the first batch of pilot universities for the reform of postgraduate training mode of medical master's degree, the pilot universities for the education and training plan of outstanding engineers and excellent doctors, the demonstration universities for the reform of innovation and entrepreneurship education, the demonstration universities for the evaluation and reform of university teachers, and the demonstration base for studying in China.

Hebei University (HBU), located in Baoding City, Hebei Province, is a key comprehensive university jointly established by the Ministry of Education and the People's Government of Hebei Province, a first-class university supported by Hebei Province, and a pilot university of the Overseas Students Training and Research Center of the Ministry of Education. It was selected into the comprehensive strength improvement project of universities in the central and western regions, the basic capacity building project of universities in the central and western regions, the education and training plan for outstanding engineers, the education and training plan for outstanding legal talents, the national innovation and entrepreneurship training plan for college students, and the first batch of demonstration universities in China to deepen the reform of innovation and entrepreneurship education. As a member of the "one province, one school" alliance in the central and western regions, it has graduate schools and universities that recommend graduate students without examination.

Jinan University, located in Jinan City, Shandong Province, is a comprehensive university jointly established by the Shandong Provincial People's Government and the Ministry of Education. It is a key construction university in Shandong Province, the first batch of famous schools in Shandong Province to train applied talents, the "excellent engineer education and training plan" of the Ministry of Education, a "first-class" construction university in Shandong Province, the first batch of demonstration universities in China to deepen the reform of innovation and entrepreneurship education, and the first batch of pilot schools in the construction of emergency management college. It has been selected into the national "11plan", the national new engineering research and practice project, the national engineering practice education center and the national college students' innovation and entrepreneurship training program, and is the governing unit of the "Belt and Road" think tank cooperation alliance.

Theoretical economics is a theoretical system composed of basic concepts, categories and category systems of economics, including general theoretical economics and special theoretical economics.