共 9 条
[7]
Dual Technological Development in Botswana Agriculture: A Stochastic Input Distance Function Approach[J] . XavierIrz,ColinThirtle. Journal of Agricultural Economics . 2005 (3)
[8]
Technical efficiency of European railways: a distance function approach[J] . Tim Coelli,Sergio Perelman. Applied Economics . 2000 (15)
[9]
A comparison of parametric and non-parametric distance functions: With application to European railways[J] . Tim Coelli,Sergio Perelman. European Journal of Operational Research . 1999 (2)