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Macroeconomics encompasses a variety of concepts and variables, but above all the three central macroeconomic variables are output, unemployment, and inflation. [5]: 39 Besides, the time horizon varies for different types of macroeconomic topics, and this distinction is crucial for many research and policy debates.
From the 21st century onwards, the concept of ecosystem services (the benefits to humans provided by the natural environment and from healthy ecosystems) are more widely studied in economics. [208] Also climate change is more widely acknowledged as a major issue in economics, sparking debates about sustainable development in economics.
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".
In 1934 John R. Commons (1862–1945), another economist from midwestern America published Institutional Economics (1934), based on the concept that the economy is a web of relationships between people with diverging interests, including monopolies, large corporations, labor disputes, and fluctuating business cycles. They do however have an ...
Not all academics accepted the criticism against Keynes – Minsky has argued that Keynesian economics had been debased by excessive mixing with neoclassical ideas from the 1950s, and that it was unfortunate that this branch of economics had even continued to be called "Keynesian". [32]
The microfoundations project originated in the post-Second World War neoclassical synthesis where it is generally believed that neoclassical microeconomics fused with Keynesian macroeconomics. [5] The 'neoclassical microeconomics' in mention is the Marshallian partial-equilibrium approach , which emerged from the Walrasian general equilibrium ...
People queue up for soup and bread at relief tents in the aftermath of the Great Seattle Fire of June 6, 1889. In economics, scarcity "refers to the basic fact of life that there exists only a finite amount of human and nonhuman resources which the best technical knowledge is capable of using to produce only limited maximum amounts of each economic good."
The Babylonians and their city state neighbors developed forms of economics comparable to currently used civil society (law) concepts. They developed the first known codified legal and administrative systems, complete with courts, jails, and government records. [10] The ancient economy was based primarily on subsistence farming. [11]