{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T21:21:18Z","timestamp":1792012878211,"version":"4.4.0"},"reference-count":49,"publisher":"The Econometric Society","issue":"4","funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ECTA"],"abstract":"<jats:p>Applied macroeconomists often compute confidence intervals for impulse responses using local projections, that is, direct linear regressions of future outcomes on current covariates. This paper proves that local projection inference robustly handles two issues that commonly arise in applications: highly persistent data and the estimation of impulse responses at long horizons. We consider local projections that control for lags of the variables in the regression. We show that lag\u2010augmented local projections with normal critical values are asymptotically valid uniformly over (i) both stationary and non\u2010stationary data, and also over (ii) a wide range of response horizons. Moreover, lag augmentation obviates the need to correct standard errors for serial correlation in the regression residuals. Hence, local projection inference is arguably both simpler than previously thought and more robust than standard autoregressive inference, whose validity is known to depend sensitively on the persistence of the data and on the length of the horizon.<\/jats:p>","DOI":"10.3982\/ecta18756","type":"journal-article","created":{"date-parts":[[2021,7,16]],"date-time":"2021-07-16T07:50:20Z","timestamp":1626421820000},"page":"1789-1823","source":"Crossref","is-referenced-by-count":398,"title":["Local Projection Inference Is Simpler and More Robust Than You Think"],"prefix":"10.3982","volume":"89","author":[{"given":"Jos\u00e9 Luis","family":"Montiel Olea","sequence":"first","affiliation":[{"name":"Department of Economics, Columbia University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikkel","family":"Plagborg-M\u00f8ller","sequence":"additional","affiliation":[{"name":"Department of Economics, Princeton University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2359","published-online":{"date-parts":[[2021]]},"reference":[{"key":"ecta200305-bib-0001","doi-asserted-by":"crossref","first-page":"496","DOI":"10.1016\/j.jeconom.2020.04.027","volume":"218","author":"Andrews","year":"2020","journal-title":"Journal of Econometrics"},{"key":"ecta200305-bib-0002","doi-asserted-by":"crossref","first-page":"371","DOI":"10.1080\/07350015.2016.1204919","volume":"36","author":"Angrist","year":"2018","journal-title":"Journal of Business & Economic Statistics"},{"key":"ecta200305-bib-0003","doi-asserted-by":"crossref","first-page":"655","DOI":"10.3982\/ECTA14434","volume":"86","author":"Armstrong","year":"2018","journal-title":"Econometrica"},{"key":"ecta200305-bib-0004","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1080\/07474930008800460","volume":"19","author":"Benkwitz","year":"2000","journal-title":"Econometric Reviews"},{"key":"ecta200305-bib-0005","unstructured":"Breitung, J., and R. 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