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.
According to this method, âprice elasticity of demand is the ratio of percentage change in the amount demanded to the percentage change in price of the commodity.â. It is also known as the Percentage Method, Flux Method, Ratio Method, and Arithmetic Method.
1 When the price elasticity of demand for a good is unit (or unitary) elastic (E d = 1), the percentage change in quantity is equal to that in price, so a change in price will not affect total revenue. 2  When the price elasticity of demand for a good is relatively elastic d.ore precisely, it gives the percentage change in quantity demanded in response to a one percent change in price (ceteris paribus, i.e. holding constant all the other determinants of demand, such as income).