[R]     ivtobit . . . . . .  Tobit model with continuous endogenous regressors
        (help ivtobit)

下面这个命令应该可以处理更为一般化的 iv-tobit 模型：
SJ-11-2 st0224  . . . .  Fitting fully observed recursive mixed-process models
        (help cmp, ghk2 if installed) . . . . . . . . . . . . . . . D. Roodman
        Q2/11   SJ 11(2):159--206
        fits simultaneous-equation fully observed recursive
        mixed-process models

merci.