Human capital is an important determinant of individual and aggregate economic outcomes, and a major input to scientific progress. It has been suggested that advances in genomics may open up new avenues to enhance human intellectual abilities genetically, complementing environmental interventions such as education and nutrition. One way to do this would be via embryo selection in the context of...

Optimal repair–replacement problem is an important aspect of economic decisionmaking at the firm and aggregate levels. In this paper, we extend the continuous time optimal replacement model in the firm under technological progress by considering the possibility of repairing/replacing the machines during their lifetime period. In ourmodel, two possible decisions can be recognized by themanagers ...

ABSTRACT- According to article 44 of the I.R. of Iran Constitution, the Iranian economy consists of three sectors; the state, the cooperative, and the private sectors. The aim of this study was to present a hierarchy of criteria for selecting the best economic sector for agricultural development. Analytic Hierarchy Process (AHP) was used to calculate the relative importance of either criteria o...