Estimation of the Asian telecommunication technical efficiencies with panel data
YANG Yu-yong, JIA Huai-jing
Estimation of the Asian telecommunication technical efficiencies with panel data
YANG Yu-yong, JIA Huai-jing
Acta Metallurgica Sinica(English letters) . 2007, (1): 111 -114 .  DOI: 1005-8885 (2007) 01-0111-04