EconStor: Productivity grwoth and efficiency changes in ...
Productivity grwoth and efficiency changes in the Mongolian mobile communiions industry . Authors: Byambaakhuu, Badamasuren Kwon, Youngsun Rho, Jaejeung. Year of Publiion: 2012. Series/Report no.: 19th Biennial Conference of the International Telecommuniions Society (ITS): "Moving Forward with Future Technologies: Opening a Platform for All", .