Demand can be elastic, inelastic, or unit elastic. Elastic demand occurs when the percentage change in quantity demanded exceeds the percentage change in price. Inelastic demand occurs when the percentage change in quantity demanded is less than the percentage change in price. Unit elasticity occurs when the percentage change in price equals the percentage change in demand.
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the scientific study of the human mind and its functions, especially those affecting behaviour in a given context.
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To establish linear perspective, an artist utilizes a horizon line to portray perspective lines in their art to establish complexity and these continue to dissolve into vanishing points.