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For 5500 North American hedge funds following 11 different strategies, we analyse the stand-alone performance of these strategies using a stochastic discount factor approach. Employing same data, then consider diversification benefits each fund strategy when combined with portfolio US equities and bonds. We compute out-of-sample Black-Litterman portfolios, Bayes-Stein, higher moments, simulatio...

A study was conducted to evaluate the effects of dietary levels of calcium (Ca), nonphytate P (NPP), phytase (Phy) and 25-hydroxycholecalciferol (25-OH) on live performance and bone development in male chicks fed a corn-based diet. Dietary treatments consisted of a 2×2×4×4 factorial arrangements with two levels of supplemental phytase (0 or 1200 FTU kg ), two levels of 25-OH (0 or 69 μg kg ), f...

We presentHST imaging of continuum (5500 Å) and atomic line (Hα, [OI] 6300 Å, [SII] 6717 and 6731 Å, and [OIII] 5007 Å) emissions in the protoplanetary nebula M 1–92. Ground based imaging of 2μmcontinuum andH2 ro-vibrational (S(1) v=1-0 and v=2-1 lines) emission has been also performed. The 5500 Å continuum is due to scattering of the stellar light by grains in a double-lobed structure comparab...

Background Polydimethyl silicones (silicone oils) are used in complex retinal surgeries, including difficult or recurrent retinal detachments, severe eye trauma, and other indications for long term tamponade. Two major problems with currently available silicone oils are emulsification and recurrent retinal detachment. The primary endpoint of this study was to evaluate the toxicity and safety of...

AIM To evaluate the intra-operator repeatability in healthy subjects using the WAM-5500 auto-kerato/refractometer and the iTrace aberrometer, to compare the refractive values and the subjective refraction obtained with both devices and to determine which of these three spherocylindrical corrections allows the subject to achieve the best visual comfort. METHODS Forty-two non-presbyopic healthy...

Cholesterol oxidase (COD) is a bi-functional FAD-containing oxidoreductase which catalyzes the oxidation of cholesterol into 4-cholesten-3-one. The wider biological functions and clinical applications of COD have urged the screening, isolation and characterization of newer microbes from diverse habitats as a source of COD and optimization and over-production of COD for various uses. The practic...