Market prices for coking coal jumped on Monday, following Beijing’s announcement that it would cease importing North Korean coal for the rest of 2017, according to industry news outlet mining.com.

North Korea is one of China’s largest suppliers of coal, and the country’s principal source of foreign anthracite – a clean-burning form of coal used in making coke: essential to the manufacturing of steel.

But the market response may be short-lived, argued an expert, given the size of China’s coal and steelmaking industries.

“Market reactions are often based on perceived future scarcity, not actual current scarcity,” David Von