求助：双重样本选择模型如何在stata中实现

An Online Handbook for the Use of Contemporary Econometrics in Economic Education Research
module 4 sample selection

http://www.aeaweb.org/committees/AEACEE/Econometrics_Handbook/index.php

Stata 7: How do you compute marginal effects after ologit/oprobit/mlogit using mfx?

Examples are presented for biprobit, heckman, heckprob, intreg, mlogit, ologit, oprobit, tobit, treatreg, xtintreg, xtlogit, xtprobit, and xttobit.

http://www.stata.com/support/faqs/statistics/mfx-after-ologit/

谢谢楼主的分享，收益匪浅，我正需要写这方面的论文

求教，这个方法是需要stata自己编程序吗？

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请问您在第一阶段中使用biprobit且显著性通过之后如何计算逆米尔斯比，以进入第二阶段的ols回归。