Heterogeneity on the Technical Efficiency in Japanese Airports
Carlos Pestana Barros, Shunsuke Managi, Yuichiro Yoshida
Singapore Economic Review, vol. 56, 2011, p. 523-534.

Technical Efficiency, Regulation and Heterogeneity in Japanese Airports
Carlos Pestana Barros, Shunsuke Managi, Yuichiro Yoshida
Pacific Economic Review, vol. 15, 2010, p. 685-696.