demand for consumption of protein, as a result of improvement in the income and nutrition levels, has a rapid growth in developing countries. broiler industry has a crucial role in providing protein. to design an optimal plan and to use the potential resources, analyzing cost structure of this industry is required. in this study, cost structure and economies of scale of broiler industry were an...

Nowadays, the assessment of environmental performance has received considerable attention by environmental strategy advocators and decision makers. In recent years, increased emission of CO2 into the air, water pollution, and global warming are universal problems all over the world. Therefore, development of firms with less CO2 emission is an important issue of attention in every area of produc...