题目： Production frontiers with cross-sectional and time-series variation in efficiency levels.

作者：Cornwell, C., Schmidt, P., Sickles, R.C., 1990.

期刊：Journal of Econometrics 46, 185–200.

链接：未知。Sciencedirect 只给出了摘要，没有全文。http://www.sciencedirect.com/science/article/B6VC0-45828YR-1/2/a86ca17df22378f9dced2fbf32f07936

盼高手相助，谢谢！

[此贴子已经被作者于2008-11-7 13:25:34编辑过]