sugar beet is an important crop from the point of production and consumption. in this case, fars province is one of the largest producers iniran. the purpose of this study was to determine the effective factors on sugar beet supply. accordingly, time series information of the crop was collected from 1990 to 2004 infarsprovince and were analyzed through nerlove partially adjustment model that is...

The electronic, optical, and lattice dynamical properties of tetracalcium trialuminate (Ca₄Al₆O13) with a special sodalite cage structure were calculated based on the density functional theory. Theoretical results show that Ca₄Al₆O13 is ductile and weakly anisotropic. The calculated Young's modulus and Poisson ratio are 34.18 GPa and 0.32, respectively. Ca₄Al₆O13 is an indirect-gap semiconducto...

Beaucoup d’études économétriques évaluent l’impact du changement climatique sur l’agriculture en supposant les prix agricoles exogènes. Si variables climatiques influencent ces prix, il résulte un « biais de », dont on reconnaît l’existence mais qui n’a jamais été quantifié. Nous quantifions ce dans le cas Burkina Faso, avec panel 45 provinces et 14 années, pour trois céréales plus cultivées : ...

Serang Regency is one of the broiler producing regions in Banten Province. Broiler’s production faces a high risk chicken and mortality. Production also has an impact on breeder’s income decisions to breed broilers. This research aimed analyze effect partnerships breeding Regency. was conducted Regency, The selection respondents done by purposive sampling collect 64 breeders. number samples div...

This study adopts a GNP function approach in order to examine the impact of migrant labour on domestic factors of production in the United Kingdom. We also examine the relationship between imports and migrants, which are two different facets of globalisation. We find that an increase in the number of unskilled migrants reduces the wages of unskilled domestic workers. However the quantitative im...

the objective of this study is to derive a money demand function compatible with the islamic economic rules, i.e., prohibition of reba. this rule, evidently eliminates the loan market from the economy.therefore, we propose that the islamic financial markets could link the real and nominal sectors of the economy and provide the information needed by both the financial intermediaries and the cent...

Treating Equals Unequally: Incentives in Teams, Workers’ Motivation and Production Technology The importance of fair and equal treatment of workers is at the heart of the debate in organizational management. In this regard, we study how reward mechanisms and production technologies affect effort provision in teams. Our experimental results demonstrate that unequal rewards can potentially increa...

This paper implements the inventory model developed in the first part of this paper in a simplified problem to simultaneously reduce costs and risks in JIT systems. This model is developed to ascertain an optimal ordering strategy for procuring raw materials by using regular multi-external and local backup suppliers to reduce the total cost of the products, and at the same time to reduce the ri...