The Great Upheaval. A Spontaneous Eruption. It started with a 10% pay cut. When leaders of the Baltimore and Ohio Railroad Company ordered this second reduction in less than eight months, railroad workers in Martinsburg, West Virginia decided they had had enough.
(1) The Percentage Method: The price elasticity of demand is measured by its coefficient E p. This coefficient E p measures the percentage change in the quantity of a commodity demanded resulting from a given percentage change in its price: Thus. Where q refers to quantity demanded, p to price and â to change. If E p p p = 1 demand is unitary elastic.
Elasticity The price elasticity of demand measures the sensitivity of the quantity demanded to changes in the price. Demand is inelastic if it does not respond much to price changes, and elastic if demand changes a lot when the price changes. â¢ Necessities tend to have inelastic demand. â¢ Luxuries tend to have elastic demand.