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FIDUCIARY: Relating to confidence or trust of one person in another, especially has it applies to financial matters. For example, you might give a lawyer, broker, or agent might be given fiduciary authority to access your bank account, pay your taxes, or maintain your investments. Alternatively, corporate executive might have the fiduciary authority to enter into contracts, write checks, or otherwise operate as a financial agent for the corporation.
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                           CHANGE IN QUANTITY DEMANDED: A movement along a given demand curve caused by a change in demand price. The only factor that can cause a change in quantity demanded is price. A related, but distinct, concept is a change in demand. A change in quantity demanded is a change in the specific quantity of a good that buyers are willing and able to buy. This change in quantity demanded is caused by a change in the demand price. It is illustrated by a movement along a given demand curve.In fact, the only way to induce a change in quantity demanded is with a change in the price. Anything else, everything else, causes a change in demand. As the demand price induces a change in the quantity demanded and a movement along the demand curve, the five demand determinants (buyers' income, buyers' preferences, other prices, buyers' expectations, and number of buyers) remain unchanged. Demand and Quantity DemandedTo set the stage for an understanding of this difference, take note of two related concepts: - Quantity Demanded: Quantity demand is a specific quantity that buyers are willing and able to buy at a specific demand price. It is but ONE point on a demand curve.
- Demand: Demand is the range of quantities that buyers are willing and able to buy at a range of demand prices. It is ALL points that make up a demand curve.
Making ChangesSo what happens when the phrase "change in" is placed in front of each term?- Change in Quantity Demanded: A change in quantity demanded is a change from one price-quantity pair on an existing demand curve to a new price-quantity pair on the SAME demand curve. In other words, this is a movement along the demand curve. A change in quantity demanded is caused by a change in price.
- Change in Demand: A change in demand is a change in the ENTIRE demand relation. This means changing, moving, and shifting the entire demand curve. The entire set of prices and quantities is changing. In other words, this is a shift of the demand curve. A change in demand is caused by a change in the five demand determinants.
Changing the Quantity| A Change in Quantity Demanded | 
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A change in quantity demanded is a movement along a given demand curve. A change in demand is a shift of the demand curve. These alternatives can be illustrated with the negatively-sloped demand curve presented in this exhibit. This demand curve captures the specific one-to-one, law of demand relation between demand price and quantity demanded. The five demand determinants are assumed to remain constant with the construction of this demand curve.- A Change in Quantity Demanded: A change in quantity demanded, which is only triggered by a change in demand price, is a movement along the demand curve. Click the [A Price Change] button to demonstrate.
A Change in Demand
: A change in demand, which is triggered by a change in any of the five demand determinants, is a shift of the demand curve. Click the [A Determinant Change] button to demonstrate.An Important DifferenceWhy is this difference so important? The answer is as simple as cause and effect. The demand curve is used (together with supply) to explain and analyze market exchanges. The sequence of events follows a particular pattern.- First, a demand (or supply) determinant changes.
- Second, this determinant change causes the demand curve (or supply curve) to shift.
- Third, the change in demand (or supply) causes either a shortage or a surplus imbalance in the market. The market is in a temporary state of disequilibrium.
- Fourth, the shortage and surplus imbalance causes the price of the good to change.
- Fifth, the change in price causes a change in quantity demanded (and supplied).
- Sixth, the change in quantity demanded (and supplied) eliminates the shortage or surplus and restores market equilibrium.
The key conclusion is that demand (and supply) determinants, which induce changes in demand (and supply), are the source of instability in the market. The change in price, which induces a change in quantity demanded (and supplied) is the means of eliminating the instability and restoring equilibrium.
Recommended Citation:CHANGE IN QUANTITY DEMANDED, AmosWEB Encyclonomic WEB*pedia, http://www.AmosWEB.com, AmosWEB LLC, 2000-2024. [Accessed: April 29, 2024].
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Today, you are likely to spend a great deal of time at the confiscated property police auction seeking to buy either handcrafted decorations to hang on your walls or throw pillows for your bed. Be on the lookout for slightly overweight pizza delivery guys.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
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"Something in human nature causes us to start slacking off at our moment of greatest accomplishment. As you become successful, you will need a great deal of self-discipline not to lose your sense of balance, humility and commitment." -- H. Ross Perot
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ASEAN
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