Econometric analysis of DSGE models suggested that real factors sometimes affect the economy. A paper by Frank Smets and Rafael Woulters (2007) stated that monetary policy explained only a small part of the fluctuations in economic output. In new synthesis models, shocks can affect both demand and supply.
https://en.wikipedia.org/wiki/History_of_macroeconomic_thought
Macroeconomics (from the Greek prefix makro- meaning large and economics) is a branch of economics dealing with the performance, structure, behavior, and decision-making of an economy as a whole rather than individual markets. This includes national, regional, and global economies.
https://en.wikipedia.org/wiki/Macroeconomy
The amount of unemployment in an economy is measured by the unemployment rate, i.e. the percentage of workers without jobs in the labor force. The unemployment rate in the labor force only includes workers actively looking for jobs.
https://en.wikipedia.org/wiki/Macroeconomy
In general, early theorists believed monetary factors could not affect real factors such as real output. John Maynard Keynes attacked some of these classical theories and produced a general theory that described the whole economy in terms of aggregates rather than individual, microeconomic parts.
https://en.wikipedia.org/wiki/History_of_macroeconomic_thought
The United States is in the midst of a major demographic shift. the population: The ratio of people aged 65+ to people aged 20-64 will rise by 80%. choosing to have fewer children and to have those children somewhat later in life. absorb the costs and to leverage the benefits of an aging population. a global context.
http://sites.nationalacademies.org/cs/groups/depssite/documents/webpage/deps_072649.pdf
Fiscal policy is the use of government's revenue and expenditure as instruments to influence the economy. Examples of such tools are expenditure, taxes, debt. For example, if the economy is producing less than potential output, government spending can be used to employ idle resources and boost output.
https://en.wikipedia.org/wiki/Macroeconomy
While macroeconomics is a broad field of study, there are two areas of research that are emblematic of the discipline: the attempt to understand the causes and consequences of short-run fluctuations in national income (the business cycle), and the attempt to understand the determinants of long-run economic growth (increases in national income).
https://en.wikipedia.org/wiki/Macroeconomy
Generally monetarism is the idea that the supply of money matters for the macroeconomy. When monetarism emerged in the 1950s and 1960s, Keynesians neglected the role money played in inflation and the business cycle, and monetarism directly challenged those points.
https://en.wikipedia.org/wiki/History_of_macroeconomic_thought
Modern macroeconomics can be said to have begun with Keynes and the publication of his book The General Theory of Employment, Interest and Money in 1936. Keynes expanded on the concept of liquidity preferences and built a general theory of how the economy worked.
https://en.wikipedia.org/wiki/History_of_macroeconomic_thought
Initially, the relationship between price level and output was explained by the quantity theory of money; David Hume had presented such a theory in his 1752 work Of Money (Essays, Moral, Political, and Literary, Part II, Essay III).
https://en.wikipedia.org/wiki/History_of_macroeconomic_thought
what part of the economy is macroeconomy
Macroeconomy is a branch of economics dealing with the performance, structure, behavior, and decision-making of an economy as a whole rather than individual markets.  Macroeconomy is a branch of economics dealing with the performance, structure, behavior, and decision-making of an economy as a whole rather than individual markets.