共 6 条
[5]
The ‘appropriate technology’ explanation of productivity growth differentials: An empirical approach[J] . Bart Los,Marcel P. Timmer. Journal of Development Economics . 2005 (2)
[6]
A model for technical inefficiency effects in a stochastic frontier production function for panel data[J] . G. E. Battese,T. J. Coelli. Empirical Economics . 1995 (2)