the chairman of yanzhou coal​ mining, wang​ xin, reported that the demand for coal has fallen and the quantity produced decreased by 11.9 percent from a year​ earlier, despite the price falling by 10.6 percent. ​source: dow​ jones, april​ 27, 2009 calculate the price elasticity of supply of coal. is the supply of coal elastic or​ inelastic? question content area bottom part 1 the price elasticity of supply of coal at yanzhou coal mining is enter your response here. ​>>> answer to 2 decimal places. part 2 the supply of coal is​ . quizlet