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In Keynesian economics, the transfer payments multiplier (or transfer payment multiplier) is the multiplier by which aggregate demand will increase when there is an increase in transfer payments (e.g., welfare spending, unemployment payments). [1]
Keynesian economists often calculate multipliers that measure the effect on aggregate demand only. (To be precise, the usual Keynesian multiplier formulas measure how much the IS curve shifts left or right in response to an exogenous change in spending.)
A post-Keynesian theory of aggregate demand emphasizes the role of debt, which it considers a fundamental component of aggregate demand; [7] the contribution of change in debt to aggregate demand is referred to by some as the credit impulse. [8] Aggregate demand is spending, be it on consumption, investment, or other categories. Spending is ...
If any of the components of aggregate demand, a, I p or G rises, for a given level of income, Y, the aggregate demand curve shifts up and the intersection of the AD curve with the 45-degree line shifts right. Similarly, if any of these three components falls, the AD curve shifts down and the intersection of the AD curve with the 45-degree line ...
Let aggregate demand take the following simple form: = + + +, Where: y = aggregate demand, logged; r = real interest rate, measured in percents, not decimal fractions; q = real exchange rate, defined as the foreign currency price of a unit of domestic currency.
The consumer has a utility function, from which his demand curves can be calculated. Then, it is possible to predict the behavior of the consumer in certain conditions, price or income changes. But in reality, there are many different consumers, each with his own utility function and demand curve.
The dynamic aggregate demand curve shifts when either fiscal policy or monetary policy is changed or any other kinds of shocks to aggregate demand occur. [5]: 411 Changes in the level of potential Y also shifts the AD curve, so that this type of shocks has an effect on both the supply and the demand side of the model. [5]: 412
In other words, an initial change in aggregate demand may cause a change in aggregate output (and hence the aggregate income that it generates) that is a multiple of the initial change. The existence of a multiplier effect was initially proposed by Keynes' student Richard Kahn in 1930 and published in 1931. [1]