procurement practices by coal- and natural gas-fired electricity generating plants in the United States following state … detailed dataset that links confidential, shipment-level data on the price of virtually all of the fuel delivered to coal- and … price of coal drops by 12% at deregulated plants relative to matched plants that were not subject to any regulatory change …

This paper evaluates changes in fuel procurement practices by coal- and gas-fired power plants in the United States … plants substantially reduce the price paid for coal (but not gas), and tend to employ less capital-intensive sulfur abatement … more productive coal mines. I show how these results lend support to theories of asymmetric information, capital bias, and …