作者: GARY KING , LANGCHE ZENG
DOI: 10.1111/J.1468-2478.2007.00445.X
关键词: Data science 、 Speculation 、 Peacebuilding 、 Counterfactual thinking 、 Inference 、 Empirical evidence 、 Variables 、 Computer science 、 Counterfactual conditional 、 Research questions 、 Econometrics
摘要: … In principle, the democracy variable can have a different causal effect for every dyad in the sample. We can then define the causal effect of democracy by averaging over all dyads, or for …