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VOCAB Chapter 4
The Market Forces of Supply and Demand
Term | Definition |
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Market | A group of buyers and sellers of a particular good or service. |
Competitive market | A market in which there are many buyers and sellers so that each has a negligible impact on the market price. |
Monopoly | Market with only one seller. |
Quantity demanded | The amount of a good that buyers are willing and able to purchase. |
Law of demand | The claim that, other things equal, the quantity demanded of a good falls when the price of a good rises. |
Demand schedule | A table that shows the relationship between the price of a good and the quantity demanded. |
Demand curve | A graph of the relationship between the price of a good and the quantity demanded. |
Normal Good | A good for which, other things equal, an increase in income leads to an increase in demand. |
Inferior good | A good for which, other things equal, an increase in income leads to a decrease in demand. |
Substitutes | Two goods for which an increase in the price of one leads to an increase in the demand for the other. |
Complements | Two goods for which an increase in the price of one leads to a decrease in the demand for the other. |
Quantity supplied | The amount of a good that sellers and willing and able to sell. |
Law of supply | The claim that, other things equal, the quantity supplied of a good rises when the price of a good rises. |
Supply schedule | A table that shows the relationship between the price of a good and the quantity supplied. |
Supply curve | A graph of the relationship between the price of a good and the quantity supplied. |
Equilibrium | A situation in which the price has reached the level where quantity supplied equals quantity demanded. |
Equilibrium price | The price that balances quantity supplied and quantity demanded. |
Equilibrium quantity | The quantity supplied and the quantity demanded at the equilibrium price. |
Surplus | A situation in which quantity supplied is greater than quantity demanded. |
Shortage | A situation in which quantity demanded is greater than quantity supplied. |
Law of Supply and Demand | The claim that the price of any good adjusts to bring the quantity supplied and quantity demanded for that good into balance. |