Introduction
Market theory is a study of decision-making models and approaches used in markets. It involves the examination of the forces that influence prices, such as supply and demand, the production and sale of goods and services, and the interaction of buyers and sellers. For many centuries, market theory has guided economic thought and practice.
Classical Theory
One of the earliest theories of market economics was developed by the “Classical” school in the 18th and 19th centuries. Its advocates, including Adam Smith and other notable economists, argued that the forces of supply and demand would automatically adjust the market in such a way that it would lead to the optimum price of goods and services and the most efficient allocation of resources. Further, they argued that if any interference was attempted by the government, the outcome of the market would be distorted. This view was based on the premise that the market worked best when it was left alone.
Keynesian Theory
The Classical school’s view of the market was challenged by the emergence of Keynesian economic theory in the 1930s. John Maynard Keynes proposed that government intervention was needed to protect the market from major disruptions, many of which were caused by the Great Depression. Keynes suggested that government fiscal and monetary policies, such as increasing public spending and reducing taxes, could be used to stimulate the economy and keep it on an even keel. He also argued that these policies could help to achieve full employment and promote economic growth.
Monetarism
Monetarism emerged in the 1950s and was popularized by the economist Milton Friedman. Monetarism argued for a more limited role for the government in managing the economy, proposing that the government should focus on controlling the money supply, as opposed to intervening in the market. Monetarists argued that controlling the money supply could help reduce inflation and ensure economic stability.
Modern Theory
Modern market theory arises in a much different economic and political context than the classical and Keynesian economic theories. It argues that the government should take a more active role in managing the economy, intervening to ensure that the market is functioning efficiently. This includes the use of fiscal and monetary policies to promote economic growth, manage the money supply, and improve consumer welfare. At the same time, modern market theorists argue that the government must also ensure that markets are transparent, accessible, and well-regulated.
Conclusion
Market theory is an ongoing effort to understand how markets work and how their operations can be improved. Classical and Keynesian economics provide the foundations for modern market theory. The former stresses the importance of leaving the market alone, while the latter has argued for a more active role for the government in managing the economy. Modern market theory seeks to reconcile these approaches, by advocating for an active role for the government in promoting economic stability and growth while also promoting transparency, access, and regulation.