Do You Use Clustered Standard Errors? You Should Read This

[From the working paper, “How Cluster-Robust Inference Is Changing Applied Econometrics” by James MacKinnon, posted as a Queen’s University Working Paper] “Whenever the observations can plausibly be grouped into a set of clusters, it has become customary, indeed often mandatory,…

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Thinking About Using Instrumental Variables? Think Again

[From the paper “Consistency without Inference: Instrumental Variables in Practical Application” by Alwyn Young, posted on his university webpage at London School of Economics] “I use Monte Carlo simulations, the jackknife and multiple forms of the bootstrap to study a…

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