- Microeconomics : A branch of economics that deals with transactions between suppliers and consumers, acting individually or in groups.
- Financial system : The interactive system of organisations that serve as intermediaries between lenders and borrowers.
- Welfare economics : The study of the social desireability of alternative arrangements of economic activity and alternative allocations of resources.
- Competition policy : Legislation which regulates business practices that restrict competition, and limits the ability of firms to combine in such a way as to enable them to restrict competition.
- Financial economics : the economics of investment choices made by individuals and corporations, and their consequences for the economy, .
- Financial regulation : a regime that has the purpose of promoting the stability of banks and other financial institutions and the purpose of preserving the integrity of the financial system.
- Supply and demand : The explanation in economic theory of the factors that influence the supply of, and the demand for, goods and services; and of the market mechanisms by which they are reconciled.