Creamer, Germán G. - 2019
trading network. Using a coal trading network among the different U.S. states between 1990 and 2005, this research studies the … processes and equipment to lower emissions, pay the news costs of emissions, or use less contaminating low-sulfur coal (high …-quality inputs). Efficiency increases when more sub-bituminous coal is used because of its lower level of emissions in comparison to …