Coking coal is testing one of the basics of Econ 101: that low prices are the cure for low prices. The global metallurgical coal benchmark for the fourth quarter settled last week at $89 a metric ton, down 4.3 percent from the previous period to the lowest level since March 2005, according to Doyle Trading Consultants, a Grand Junction, Colorado-based industry analyst. Even so, at least three-fifths of the material that moves by sea, some 180 million metric tons of the steelmaking component, are generating a return amid a glut as the crude oil rout and a weaker Australian dollar lower costs for the world’s largest met coal exporter, Bloomberg Intelligence data show. “The prices have to get low enough to where the Australians can’t even tolerate them,” said Jim Thompson, director of coal for IHS Inc. in Knoxville, Tennessee. “Then maybe we can get around to solving the […]