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RECOGNITION LAG: In the context of economic policies, the time between a shock to the economy and realization that the shock has occurred. This is one of several policy lags that limit the effectiveness of stabilization policies designed to correct business-cycle fluctuations. This is also one of two inside lags. The other is an implementation lag. Also termed identification lag, the recognition lag emerges due to the time needed to measure economic activity. While the lag is generally positive, it actually can be negative through accurate forecasting techniques. When negative policies can be undertaken to correct a problem before it occurs.
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                           AGGREGATE DEMAND AND MARKET DEMAND: The aggregate demand curve, or AD curve, has similarities to, but differences from, the standard market demand curve. Both are negatively sloped. Both relate price and quantity. However, the market demand curve is negatively sloped because of the income and substitution effects and the aggregate demand curve is negatively sloped because of the real-balance, interest-rate, and net-export effects. | Two Similar Curves | 
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To illustrate the specific aggregate demand and market demand curve similarities and differences consider the graph of a negatively sloped curve displayed here. Is this a market demand curve or an aggregate demand curve? A cursory look suggests that it could be either.To reveal the similarities between the both curves, click the [Market Demand] and [Aggregate Demand] buttons. Doing so illustrates that both curves are negatively sloped, with each virtually overlaying the other. Consider the differences between these two curves. - First, note that for the market demand curve, the vertical axis measures demand price and the horizontal axis measures quantity demanded. For aggregate demand curve, however, the vertical axis measures the price level (GDP price deflator) and the horizontal axis measures real production (real GDP).
- Second, the negative slope of the market curve reflects the law of demand and is attributable to the income effect and the substitution effect. In contrast, the negative slope of the aggregate demand curve is based the real-balance effect, interest-rate effect, and net-export effect. Similar, but different.
Most notable, the differences between market demand and aggregate demand mean that it is not possible to merely add up, or aggregate, the market demand curves for the thousands of goods produced in the economy to derive the aggregate demand curve. The aggregate demand curve dances to its own music and plays be its own set of rules.
Recommended Citation:AGGREGATE DEMAND AND MARKET DEMAND, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: June 12, 2026].
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Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a large red and white striped beach towel or a bottle of blackcherry flavored spring water. Be on the lookout for crowded shopping malls.
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John Maynard Keynes was born the same year Karl Marx died.
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"Nothing will ever be attempted if all possible objections must first be overcome. " -- Samuel Johnson, essayist, critic, lexicographer
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ISIC
International Standard Industrial Classification
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