Luchansky and Monks (2009) estimate that the U.S. demand curve for ethanol is Q =p-0.504 1.269 2.226 where Q is the quantity of ethanol, p is the price of ethanol, p. is the price of gasoline, and v is the number of registered vehicles. What is the elasticity of demand for ethanol? The price elasticity of demand for ethanol is (Enter your response rounded to three decimal places and include a minus sign.) Time Remaining: 01:55:41