نتایج جستجو برای: leverage
تعداد نتایج: 21573 فیلتر نتایج به سال:
The "leverage effect" refers to the well-established relationship between stock returns and both implied and realized volatility: volatility increases when the stock price falls. A standard explanation ties the phenomenon to the effect a change in market valuation of a firm's equity has on the degree of leverage in its capital structure, with an increase in leverage producing an increase in sto...
We focus on the -nite-sample behavior of heteroskedasticity-consistent covariance matrix estimators and associated quasi-t tests. The estimator most commonly used is that proposed by Halbert White. Its -nite-sample behavior under both homoskedasticity and heteroskedasticity is analyzed using Monte Carlo methods. We also consider two other consistent estimators, namely: the HC3 estimator, which ...
In a recent study by Ginther et al., the probability of receiving a U.S. National Institutes of Health (NIH) RO1 award was related to the applicant’s race/ethnicity. The results indicate black/African-American applicants were 10% less likely than white peers to receive an award, after controlling for background and qualifications. It has generated a widespread debate regarding the unfairness of...
This paper outlines ongoing research that is investigating ways to increase the supply of high quality planting materials for smallholder forestry in the Philippines. A Bayesian Belief Network (BBN) of the nursery sector that had been developed previously by one of the authors was further refined during a planning and implementation workshop for the ACIAR Smallholder Nursery project. The refine...
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