investing on growth stocks and value stocks has represented one of the research topics on strategies creating excess return. in this paper, which focuses on companies listed in tehran stock exchange, companies are categorized into growth and value based on certain measures and then their performances are studied. in addition to individual ratios used in a large volume of researches, combined me...

Most empirical analyses of human capital have concentrated solely on the quantity of schooling attained by individuals, ignoring quality differences. This focus contrasts sharply with policy considerations that almost exclusively consider school quality issues. This paper presents basic evidence about the very substantial impacts of school quality on individual earnings and on economic growth. ...

to study the impact of growth factor bacteria , humic acid  and alga extract in drought stress condition  a test is established in form of completely random blocks  and spilt plot  in 4 replications  in a field in mahallat in arak  province in 1389. two primary plots including irrigation and stress  and secondary  plots including  growth factor bacteria ,humic acid  and  alga extract, ascophylu...