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The Stata Journal
瀏覽：552
日期：2024-05-26
E. C. Norton, H. Wang, and C. Ai 159 When the interacted variables are both dummy variables, the interaction effect is the discrete double difference: ∆2F (u) ∆x1∆x2 =Φ(β1 +β2 +β12 +Xβ) −Φ(β1 +Xβ)−Φ(β2 +Xβ)+Φ(Xβ) When one continuous variable and one ......看更多
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