Natural Experiments In Economics
Thad Dunning's book
Natural Experiments in the Social Sciences (CUP 2012) is a very useful guide for economists interested in research methodology in general and natural experiments in specific. Dunning argues that since random or as-if random assignment in natural experiments obviates the need for controlling potential confounders, this kind of "simple and transparent" design-based research method is preferable to more traditional multivariate regression analysis where the controlling only comes in
ex post via statistical modelling.
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