Division of Economics and Business Assistant Professor Ian Lange, who specializes in energy, environmental and resource economics, applied microeconometrics and behavioral economics, contributed to the New York Times story, “Tribes That Live Off Coal Hold Tight to Trump’s Promises.” From the story: Complicating the matter is the coal market. Although Mr. Trump has promised to revive the industry, power plants across the country are switching to cheap natural gas, leaving no guarantee that his policies will bring money back into tribal bank accounts. “Unless there is severe restriction of ....