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Economics can be described as all of the following: Academic discipline – body of knowledge given to, or received by, a disciple (); a branch or sphere of knowledge, or field of study, that an individual has chosen to specialize in.
An economic model is a theoretical construct representing economic processes by a set of variables and a set of logical and/or quantitative relationships between them. The economic model is a simplified, often mathematical, framework designed to illustrate complex processes.
An economy [a] is an area of the production, distribution and trade, as well as consumption of goods and services.In general, it is defined as a social domain that emphasize the practices, discourses, and material expressions associated with the production, use, and management of resources. [3]
The earlier term for the discipline was "political economy", but since the late 19th century, it has commonly been called "economics". [22] The term is ultimately derived from Ancient Greek οἰκονομία (oikonomia) which is a term for the "way (nomos) to run a household (oikos)", or in other words the know-how of an οἰκονομικός (oikonomikos), or "household or homestead manager".
The world economy or global economy is the economy of all humans in the world, referring to the global economic system, which includes all economic activities conducted both within and between nations, including production, consumption, economic management, work in general, financial transactions and trade of goods and services.
Marginalism is a theory of economics that attempts to explain the discrepancy in the value of goods and services by reference to their secondary, or marginal, utility. It states that the reason why the price of diamonds is higher than that of water, for example, owes to the greater additional satisfaction of the diamonds over the water.
Classical economics, also known as the classical school of economics, [1] or classical political economy, is a school of thought in political economy that flourished, primarily in Britain, in the late 18th and early-to-mid 19th century.
ECOSOC Resolution 2007/25: Support to non-self-governing territories by the specialized agencies and international institutions associated with the United Nations (26 July 2007)