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The importance of the term 'effective demand' to Keynesian Economics in general is shown in the fourth paragraph of the chapter, where he states that this concept of effective demand, i.e. the intersection of the supply and demand functions, is the "substance of the General Theory" and says that "the succeeding chapters will be largely occupied ...
In economics, effective demand (ED) in a market is the demand for a product or service which occurs when purchasers are constrained in a different market. It contrasts with notional demand , which is the demand that occurs when purchasers are not constrained in any other market.
In economics, aggregate demand (AD) or domestic final demand (DFD) is the total demand for final goods and services in an economy at a given time. [1] It is often called effective demand, though at other times this term is distinguished. This is the demand for the gross domestic product of a country.
Demand-side economics is a term used to describe the position that economic growth and full employment are most effectively created by high demand for products and services. [1] According to demand-side economics, output is determined by effective demand. High consumer spending leads to business expansion, resulting in greater employment ...
Supply creates its own demand" is a formulation of Say's law. The rejection of this doctrine is a central component of The General Theory of Employment, Interest and Money (1936) and a central tenet of Keynesian economics. See Principle of effective demand, which is an affirmative form of the negation of Say's law.
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 ...
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The meaning of this is that in equilibrium the total demand for goods must equal total income. Total demand for goods is the sum of demand for consumption goods and demand for investment goods. Hence Y = C(Y) + S(Y) = C(Y) + I (r); and this equation determines a unique value of Y given r.