Alam, Ila M Semenick; Sickles, Robin C Long run properties of technical efficiency in the US Airline Industry - Wissenschaftszentrum, Berlin 1997 - 16 See WZ 330 KAN (Includes Acc Nos 31875, 31876 & 31877) ISBN: Fs IV 97 - 25 Subjects--Topical Terms: ECONOMICS