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Macroeconomics is a branch of economics that deals with the performance, structure, behavior, and decision-making of an economy as a whole. [1] This includes regional, national, and global economies .
The mainstream view is that market economies are generally believed to be closer to efficient than other known alternatives [4] and that government involvement is necessary at the macroeconomic level (via fiscal policy and monetary policy) to counteract the economic cycle – following Keynesian economics.
The classification of some macroeconomic variables as instruments and some others as targets or objectives is originally due to Jan Tinbergen, who used these concepts in his books On the Theory of Economic Policy (1952) and Economic Policy: Principles and Design (1955). [3]
Some industries have benefited from the pandemic, while others have almost gone bankrupt. One of the sectors most impacted by the COVID-19 pandemic is the public and private health system. Opportunity cost is the concept of ensuring efficient use of scarce resources, [25] a concept that is central to health economics. The massive increase in ...
Major topics include measurement of economic performance, national income and price determination, fiscal and monetary policy, and international economics and growth. AP Macroeconomics is frequently taught in conjunction with (and, in some cases, in the same year as) AP Microeconomics as part of a comprehensive AP Economics curriculum, although ...
The accelerator effect in economics is a positive effect on private fixed investment of the growth of the market economy (measured e.g. by a change in gross domestic product (GDP)). Rising GDP (an economic boom or prosperity) implies that businesses in general see rising profits, increased sales and cash flow, and greater use of existing capacity.
Economics: Principles, Problems, and Policies is a textbook that is an integrated learning system for schoolchildren and students enrolled in economic specialties. It was first published in 1960 and, as of 2021, has released 22 editions.
In microeconomics, the law of demand is a fundamental principle which states that there is an inverse relationship between price and quantity demanded. In other words, "conditional on all else being equal , as the price of a good increases (↑) , quantity demanded will decrease (↓) ; conversely, as the price of a good decreases (↓ ...