Abstract
Drawing on the procedures developed for estimating stochastic frontier production functions, the objective of this paper is to derive a practical two-directional test for both heteroscedasticity and non-normality, when the structure of heteroscedasticity is not known to the researchers.
| Original language | English |
|---|---|
| Pages (from-to) | 307-312 |
| Number of pages | 6 |
| Journal | Journal of Applied Statistics |
| Volume | 18 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1991 |
| Externally published | Yes |