と題したMetrics Mondayエントリ(原題は「2SLS–Chronicle of a Death Foretold?」)でMarc F. Bellemareが、最近話題になっているというAlwyn Young(LSE)の論文を取り上げている。 The paper is titled “Consistency without Inference: Instrumental Variables in Practical Application.” In it, Young uses the bootstrap to conduct a meta-analysis of 1,400 2SLS coefficients across 32 papers published in the AEA journals, and to essentially ask: “Is 2SLS all t