According to an article in the Wall Street Journal, as a result of U.S. consumers increasing their demand for beef, in 2015 world beef prices increased. For example, according to the article, "Australian beef prices are up 40% this year, while New Zealand prices are 17% higher." The article observed, "The gains show no signs of stopping, given the [increasing] U.S. demand...." If U.S. demand for beef continues to increase, will beef prices also continue to increase in the long run? Briefly explain.