Size Matters, if You Control Your Junk

Clifford S. Asness, Andrea Frazzini, Ronen Israel, Tobias J. Moskowitz, Lasse Heje Pedersen

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

The size premium has been accused of having a weak historical record, being meager relative to other factors, varying significantly over time, weakening after its discovery, being concentrated among microcap stocks, residing predominantly in January, relying on price-based measures, and being weak internationally. We find, however, that these challenges disappear when controlling for the quality, or its inverse, junk, of a firm. A significant size premium emerges, which is stable through time, robust to specification, not concentrated in microcaps, more consistent across seasons, and evident for non-price-based measures of size, and these results hold in 30 different industries and 24 international equity markets. The resurrected size effect is on par with anomalies such as value and momentum in terms of economic significance and gives rise to new tests of, and challenges for, existing asset pricing theories.
Original languageEnglish
JournalJournal of Financial Economics
Volume129
Issue number3
Pages (from-to)479-509
Number of pages31
ISSN0304-405X
DOIs
Publication statusPublished - Sep 2018

Keywords

  • Size premium
  • Factor models
  • Quality

Cite this

Asness, Clifford S. ; Frazzini, Andrea ; Israel, Ronen ; Moskowitz, Tobias J. ; Pedersen, Lasse Heje. / Size Matters, if You Control Your Junk. In: Journal of Financial Economics. 2018 ; Vol. 129, No. 3. pp. 479-509.
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Asness, CS, Frazzini, A, Israel, R, Moskowitz, TJ & Pedersen, LH 2018, 'Size Matters, if You Control Your Junk', Journal of Financial Economics, vol. 129, no. 3, pp. 479-509. https://doi.org/10.1016/j.jfineco.2018.05.006

Size Matters, if You Control Your Junk. / Asness, Clifford S.; Frazzini, Andrea; Israel, Ronen; Moskowitz, Tobias J.; Pedersen, Lasse Heje.

In: Journal of Financial Economics, Vol. 129, No. 3, 09.2018, p. 479-509.

Research output: Contribution to journalJournal articleResearchpeer-review

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