abstract some issues such as dehydration, local and chronological disproportion of rainfall, low productivity of water in agricultural sector, increasing demand for agricultural products due to increase in population participate with doughtiness are the most challenges of agricultural water. these factors caused water to be as one of the important and scarce inputs is agricultural products. the...

given the strategic remarkable rank of pistachio in non-oil exports, inputs’ management in its production is so important. as the scarcest input in agricultural sector, water is considered to be among the most important inputs of pistachio production.water inadequate supply and limate conditions increase water demand in pistachio growing areas. it is necessary to determine the real value or pri...

the purpose of business entity is to maximize shareholders wealth by enhancing the firm’s value thus, getting expected returns are very important for them. investors and creditors are going to find a precise scale for measuring overall performance of a firm as a whole to decide whether to invest in the firm, to continue with the firm or to exit from it. economic value added (eva) is an analytic...

We model virtue as an asset on the marriage market: since men value virginity in prospective mates, preserving their virtue increases girls’ chances of getting a "good" husband, and therefore allows for upward social mobility. Consistent with some historical and anthropological evidence, we find that the diffusion (and the social value) of virginity, across societies and over time, can be deter...

Education is a key factor in promoting and sustaining economic growth and technological development. It is a complex social, cultural and ethical process designed in a social or cultural context. Education in its broadest sense is any act or experience that has formative effect on the mind, character or physical ability of an individual and in its technical sense education is the process by whi...

Healthy teeth are a vital and visible component of general well-being, but there is little systematic evidence to demonstrate its effect on labor market outcomes. In this paper, we examine the nature and magnitude of the effect of oral health on labor market outcomes by exploiting variation in access to fluoridated water during childhood. The politics surrounding the adoption of water fluoridat...