I Didn't Run a Single Regression
Swiss Institute for Business Cycle Research (KOF) Working Paper No. 128
13 Pages Posted: 8 Feb 2006
Date Written: February 2006
Abstract
Growth regression economics are haunted by the fact that results are easily overthrown by regressing alternative model specifications. Recent research therefore aims at obtaining robust regression results by systematically running multiple models and picking surviving variables. This note shows that a very popular of these approaches, the robust regression due to Sala-i-Martin (1997) very likely leads to inconsistent conclusions but may be remedied by refining the 'testimation' algorithm. To that aim I do not need to run a single regression.
Keywords: robust estimation, growth regression
JEL Classification: C50
Suggested Citation: Suggested Citation
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