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Across 3. Products that increase the value of other products. 4. A small change in price causes a relatively smaller change in the quantity demanded. 7. A change in price makes a small change in quantity demanded. 9. A change in quantity of the product purchased in response to a change in price. 10. The usefulness a person gets from getting extra units of a product. 11. The desire to buy a good. 12. People but different amounts at the same prices. 13. Change in quantity demanded because of the change of price of a product. 14. Revenues does not change when there is a price change.

Down 1. The extra units of a product a person gets, the less satisfying the product will be if the person buys more. 2. The change in quantity demanded when the price of commodity changes. 5. The demand of a product changes inversely with its price. 6. Goods that can be used in place of the other products. 8. The extent to which changes in price makes the quantity demanded change. 10. Economics that has to do with behavior and decision making by small units.