并列题名：Researches on the complexity of economic and financial systems Researches on the complexity of economic and financial systems 并列题名：Research on the construction of local financial system 并列题名：Payment system in economic and financial system 并列题名：Introduction to nature's economic and financial system 并列题名：Analysis on Chinese top ten economic and financial issues 并列题名：Research on the prevention of systemic and regional financial risks Introduction to nature's economic and financial system Payment system in economic and financial system 并列题名：Theory on the justiciability of economic and social rights