blog posts Should consumers be concerned about the price of oil plunging to $30 per barrel? Feb 3, 2016 11:30 am by MarketplaceIllinois in the News Share on Facebook Tweet Email Images Marketplace (Feb. 2) - Unless you work in the oil industry, the answer is no, says Illinois economist Scott Irwin. "Commodity markets have always been prone to significant boom and bust cycles.” Share on Facebook Tweet Email