In this paper we present new empirical evidence on the agency based asset pricing model of Brennan (1993). We find strong evidence that in the recent period stocks whose returns covary more with the idiosyncratic component of the S&P500 return have significantly lower returns, holding constant either the market beta or the loadings on the Fama-French factors. The effect is confined mainly to la...

Fama (1970) defined an efficient market as one in which prices always ’fully reflect’ available information. This paper formalizes this definition and provides various characterizations relating to equilibrium models, profitable trading strategies, and equivalent martingale measures. These various characterizations facilitate new insights and theorems relating to efficient markets. In particula...

This study aimed comparison the gastric ulcer induced by indomethacin, aspirin, and ethanol on level of pathological changes, ulcers surface area, index. Forty rats were divided into 4 groups: control group received normal saline, remaining groups, Indomethacin 40 mg/kg, Aspirin group100 80% 5 ml/kg, all doses orally administrated one time. The result revealed had largest whereas indomethacin a...

Background: Several plants are used as analgesic in traditional medicine. Capparis spinosa (C. spinosa) is widely for the treatment of gout and rheumatic arthritis. The previous studies have reported antinociceptive effects this plant. Objectives: study was aimed at examining C. spinosa’s gastric-ulcerogenecity effect comparison to indomethacin. Methods: percolated extract Indomethacin were ora...

Indomethacin is a clinically classical non-steroidal anti-inflammatory drug that has been marketed since 1965. The third polymorph, Form δ, was discovered by both melt and solution crystallization in 1974. δ-indomethacin cannot be cultivated as large single crystals suitable for X-ray crystallography and, therefore, its crystal structure not yet determined. Here, we report the elucidation of 3D...

the potential of liquisolid systems to improve the dissolution properties of a water-insoluble agent (indomethacin) was the purpose of this survey. in this study, different formulations of liquisolid tablets using different co-solvents (non-volatile solvents) were prepared and the effect of several amounts of them on the dissolution behaviour of indomethacin was investigated. it is worth mentio...

hippocampus is essentially involved in learning and memory processes, and is known to be a target for androgen actions. the high density of the androgen receptors in hippocampus shows that there must be some relationship between androgens and memory. androgen effects on spatial memory are complex and contradictory. some evidence suggests a positive correlation between androgens and spatial memo...