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In macroeconomics, a multiplier is a factor of proportionality that measures how much an endogenous variable changes in response to a change in some exogenous variable. For example, suppose variable x changes by k units, which causes another variable y to change by M × k units.
The multiplier–accelerator model can be stated for a closed economy as follows: [3] First, the market-clearing level of economic activity is defined as that at which production exactly matches the total of government spending intentions, households' consumption intentions and firms' investing intentions.
Trickle-up economics (also known as bubble-up economics) is an economic policy proposition that final demand among a broad population can stimulate national income in an economy. The trickle-up effect states that policies that directly benefit lower income individuals will boost the income of society as a whole, and thus those benefits will ...
An economic theory that defines wealth by the amount of precious metals owned. [48] business cycle. Also called the economic cycle or trade cycle. The downward and upward movement of gross domestic product (GDP) around its long-term growth trend. [49] The length of a business cycle is the period of time containing a single boom and contraction ...
In simpler terms, it is the acceleration or deceleration of economic growth that shapes businesses' choices regarding investments. [1] The accelerator effect operates in reverse as well: when the GDP declines (entering a recession), it negatively impacts business profits, sales, cash flow, capacity utilization, and expectations.
This is the same as the formula for Kahn's multiplier in a closed economy assuming that all saving (including the purchase of durable goods), and not just hoarding, constitutes leakage. Keynes gave his formula almost the status of a definition (it is put forward in advance of any explanation [72]). His multiplier is indeed the value of "the ...
In economics, an input–output model is a quantitative economic model that represents the interdependencies between different sectors of a national economy or different regional economies. [1] Wassily Leontief (1906–1999) is credited with developing this type of analysis and earned the Nobel Prize in Economics for his development of this ...
The Taylor contract came as a response to results of new classical macroeconomics, in particular the policy-ineffectiveness proposition proposed in 1975 by Thomas J. Sargent and Neil Wallace [3] based upon the theory of rational expectations, which posits that monetary policy cannot systematically manage the levels of output and employment in the economy and that monetary shocks can only give ...