Ornithogalum cuspidatum is an Iranian species of the genus Ornithogalum L. (family: Liliaceae). The species of Ornithogalum are used widely in Iranian traditional medicine for treatment of inflammatory and respiratory disease. The purpose of the present study is to evaluate antioxidant and antimicrobial activities of n-hexane, ethyl acetate, methanol and aqueous extracts of O. cuspidatum leaves...

alport syndrome is a progressive hereditary nephritis leading to renal failure. nearly all of the documents declare that alport syndrome is inherited as x-linked dominant trait and reports of autosomal inheritance form is very rare. this paper presents an iranian large alport family with autosomal recessive inheritance. in our patients alport disease was confirmed with electron microscopic stud...

Recent research has documented that family-controlled firms are very common around the world. This paper provides new evidence on the accounting and market performance of this type of companies. The empirical investigation is conducted on a market in which family firms are well-established and represent the most widespread form of ownership, namely Switzerland. Using panel data for the period 2...

when shareholders have agreement about divestiture of company’s share in stock exchange, they decide to change and improve their business ownership structure and the presence of a large shareholder to help divestiture. the present study was aimed to investigate the effect of presence of large shareholder to tends firm to divestiture by a new approach. for this purpose, the propensity score a sa...

Abstract The contradictory empirical evidence about whether the effect of companies' environmental investments on financial results is positive, negative or not significant has been explained by different conditions and contexts that facilitate hinder ability to generate a win–win situation. This explanation gradually led academic debate consider factors moderate such relationship. In this docu...

Abstract Family firms’ collaborative innovation is characterized by the so-called ability-willingness paradox i.e. they are less willing to engage in collaborations despite being more able manage them for purposes. In this paper, we introduce collaboration partner type and spatial proximity as two important boundary conditions of paradox. We examine differences across different proximities type...

A recent stream of research has focused on tax aggressiveness, the downward management taxable income through planning activities, and analyzed its antecedents consequences, mainly public companies. Only very few studies, however, have been carried out in context private family business investigated whether some firms are more aggressive than others, considering specific features firms, such as...