But for ones who ever do econometrics exercise for their paper, few beat the definition of agony in a short haiku by Keisuke Hirano that appeared in the highly recommended Angrist and Pischke's Mostly Harmless Econometrics.
T-stat looks too goodOK, it's not as depressing as infamous Hemingway's six-word story ("For sale: baby shoes, never worn."); but trust me, if you ever work with regression and robustness test, you would share the pain.
Try clustered standard errors --
Significance gone
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