The cross-elasticity of demand for timber from the two regions and the elasticity of demand for Northwest timber both increase with the degree of substitutability between Northwest and Southeast timber.
In economics, the relationship between the percentage change in the quantity of a thing sought after and the percentage change in the price of another good, ceteris paribus, is quantified by the cross elasticity of demand, also known as the cross-price elasticity of demand.
Cross price elasticity of demand is the percentage change in a given product's quantity sought as a result of a percentage change in the price of a "related" product.
The cross elasticity of demand aids in determining the impact of these other items' pricing. It evaluates the relationship between the two when the price of one of the commodities varies. This is done by observing how demand for a product changes in reaction to a shift in the price of another product.
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