Business ethics: A quantitative analysis of the impact of unethical behavior by publicly traded corporations

DL Gunthorpe - Journal of Business Ethics, 1997 - Springer
This study examines whether the financial markets penalize public corporations for
unethical business practices. Using event study methodology, it is found that upon the …

Portfolio composition and the investment horizon

D Gunthorpe, H Levy - Financial Analysts Journal, 1994 - Taylor & Francis
An analysis of the effect changes in investment horizon have on optimal portfolio composition
finds that composition changes drastically and systematically with changes in holding …

Parsing the relations between SES and stress reactivity: Examining individual differences in neonatal stress response

K Keenan, D Gunthorpe, D Grace - Infant Behavior and Development, 2007 - Elsevier
In an effort to further delineate the reported relations between socioeconomic status (SES)
and stress reactivity in children, associations between three domains of perinatal risk: socio-…

Different levels, but not different isoforms, of the Drosophila transcription factor DMEF2 affect distinct aspects of muscle differentiation

D Gunthorpe, KE Beatty, MV Taylor - Developmental biology, 1999 - Elsevier
mef2 genes encode alternatively spliced transcription factor isoforms that function in muscle
differentiation in both Drosophila and vertebrates. Drosophila mef2 (Dmef2) has been …

Examining stress reactivity in neonates: Relations between cortisol and behavior

K Keenan, D Grace, D Gunthorpe - Child Development, 2003 - Wiley Online Library
The association between cortisol and behavioral reactivity to a medical heel stick and a
neurobehavioral exam was examined in 100 healthy African American neonates, who have …

Optimal investment proportions in senior securities and equities under alternative holding periods.

H Levy, D Gunthorpe - Journal of Portfolio Management, 1993 - elibrary.ru
Presents an investigative study on the effect of the holding period on the optimum mean-variance
investment proportions in senior securities and equities. Standard deviation for various …

Patterns of cortisol reactivity in African‐American neonates from low‐income environments

…, D Gunthorpe, D Young - Developmental …, 2002 - Wiley Online Library
… Thus, an assessment of the accuracy of the assay is systematically evaluated, the results
of which support the validity of the cortisol values returned by the EIA protocol (D. Granger, …

Abnormal expected utility and event study abnormal returns

H Levy, D Gunthorpe - Economics Letters, 1994 - Elsevier
… day as well as a 7 d event window. Consistent … day and 7 d event period are shown in
Figs 1 and 2. For simplicity we assume that W is non-stochastic … Once again we find there …

Stock repurchases: A further test of the free cash flow hypothesis

DL Gunthorpe - Review of Quantitative Finance and Accounting, 1993 - Springer
This study explores the empirical puzzle currently existing regarding the observed positive
stock price reaction associated with self-tender offer announcements. The puzzle stems from …

Beta and an investor's holding period

H Levy, D Gunthorpe, J Wachowicz Jr - Review of Business, 1994 - go.gale.com
… More recently, Professors Haim Levy and Deborah Gunthorpe… Interestingly, Professors Levy
and Gunthorpe find that when … found by Professors Levy and Gunthorpe are shown in Table …