the study of ngos network function as facilitator in enviropreneurship development in iranian environmental ngos was the main aim of this research that conducted as a casual model method. the statistical sample was 51 environmental ngos in iran that selected randomly. questionnaire research instrument was to measure the studied structures. content validity by panel study confirmed. to determine...

technical efficiency of different sectors is important for economic policy making purposes. this study considering regions as independent decision-making units, measures technical efficiency of industrial sector for every region of the country and then examines its determinant factors.generally influential factors of efficiency are classified in two main groups. first group includes the basic e...