共 19 条
[3]
Crandall Robert W., 1983, CONTROLLING IND POLL
[4]
Data Resources Incorporated, 1979, MACR IMP FED POLL CO
[7]
Judge, 1988, INTRO THEORY PRACTIC
[8]
Kmenta J., 1986, ELEMENTS ECONOMETRIC, V2nd ed.
[9]
KOCH J, 1979, HARVARD ENG LAW REV, V3, P91
[10]
LEONE R, 1977, STUDIES PUBLIC REGUL