CHIA-YEN LEEZhou, P.P.Zhou2020-12-162020-12-162015https://www.scopus.com/inward/record.uri?eid=2-s2.0-84941101531&doi=10.1016%2fj.eneco.2015.08.010&partnerID=40&md5=03ebd3d4158213cd00ee037ae4d52bdfhttps://scholars.lib.ntu.edu.tw/handle/123456789/526202Directional shadow price estimation of CO2, SO2 and NOx in the United States coal power industry 1990–2010journal article10.1016/j.eneco.2015.08.0102-s2.0-84941101531