BIASES IN FRONTIER ESTIMATION DUE TO HETEROSCEDASTICITY

被引:153
作者
CAUDILL, SB
FORD, JM
机构
[1] Department of Economics, Auburn University, Auburn
关键词
D O I
10.1016/0165-1765(93)90104-K
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper investigates the effects of heteroscedasticity on the parameters in frontier regression models. A Monte Carlo experiment is employed to determine that heteroscedasticity leads to overestimation of the intercept and underestimation of the slope coefficients.
引用
收藏
页码:17 / 20
页数:4
相关论文
共 5 条
[1]  
Aigner D., 1977, J ECONOMETRICS, V6, P21, DOI [10.1016/0304-4076(77)90052-5, DOI 10.1016/0304-4076(77)90052-5]
[2]  
Judge, 1988, INTRO THEORY PRACTIC
[3]  
Prais S. J., 1955, ANAL FAMILY BUDGETS
[4]  
Schmidt P., 1985, ECONOMET REV, V4, P289, DOI [10.1080/07474938608800089, DOI 10.1080/07474938608800089]
[5]   SUM OF VALUES FROM NORMAL + TRUNCATED NORMAL DISTRIBUTION [J].
WEINSTEIN, MA .
TECHNOMETRICS, 1964, 6 (01) :104-&