The results for the pricing effect of earnings quality are relatively weak but
consistent. We find that while the quintile portfolios with highest exposure
to the asymmetric information factor have statistically significant positive
intercepts (i.e., Jensen’s alphas) after controlling for the Fama and French
[1993] risk factors, the quintile portfolios with the lowest exposure have
alphas that are insignificantly different from zero. Results for the hedge
portfolio have correct signs, with estimates ranging from 0.992% per month
to 1.178% per month, but weak statistical significance levels, potentially due
to noise in the system from the low-exposure firms, or the diversification
effect (e.g., Hughes, Liu, and Liu [2005]).
The combination of these findings is supportive of the conclusions that
asymmetric information risk, as measured by the firm’s exposure to an
earnings quality factor–mimicking portfolio, has measurable pricing effects,
and this risk is positively associated with expected insider trading profits.
The results for the pricing effect of earnings quality are relatively weak butconsistent. We find that while the quintile portfolios with highest exposureto the asymmetric information factor have statistically significant positiveintercepts (i.e., Jensen’s alphas) after controlling for the Fama and French[1993] risk factors, the quintile portfolios with the lowest exposure havealphas that are insignificantly different from zero. Results for the hedgeportfolio have correct signs, with estimates ranging from 0.992% per monthto 1.178% per month, but weak statistical significance levels, potentially dueto noise in the system from the low-exposure firms, or the diversificationeffect (e.g., Hughes, Liu, and Liu [2005]).The combination of these findings is supportive of the conclusions thatasymmetric information risk, as measured by the firm’s exposure to anearnings quality factor–mimicking portfolio, has measurable pricing effects,and this risk is positively associated with expected insider trading profits.
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