نتایج جستجو برای: genetic algorithmauto regressive distributed lag total factors productivity agriculture iran
تعداد نتایج: 2679016 فیلتر نتایج به سال:
this study attempts to investigate the effect of peers’ revision in comparison to that of the teacher, and whether peers’ comments and teachers’ comments facilitate students’ revision? if yes, which one is more effective? also attempts have been made to see which aspects of language are more highlighted by peers versus teachers when commenting. besides, it is investigating the student’s attitud...
The energy crisis in recent years has led politicians and major countries around the world to take energy issues differently from the past and replace fossil fuels with renewable energies, including hydroelectricity, to reduce and save energy, controlling supply and demand energy and reduction of pollutant emissions has been widely welcomed. Accordingly, the present study investigates the impac...
P roductivity promotion has received a key attention in contemporary macroeconomic analysis. Productivity of labor driven, in particular, by human capital (i.e. health and education), is seen vitally more important. Labor qualities in terms of health and education (treated as flow and stock variables), have a bearing on labor productivity. The main objective of this paper is to ident...
introduction: in this study, total factor productivity growth components in rough rice production are assisting by econometric approach and stochastic frontier function during 2005-2013 for several provinces (mazandaran province, guilan province, golestan province, fars province, khoozestan province). according to food and agriculture organization statics, iran is the 3rd importer and 20th expo...
Extensive livestock grazing even in unsuitable land has increasingly grown in most parts of semi-arid rangeland. Therefore, it is of paramount importance to identify suitable land for livestock grazing for optimum utilization while causing minimum impact to the environment. This paper adapted the schematic model based on the concepts presented by the Food and Agriculture Organization of suitabi...
the purpose of this study is calculate the rate of total factor productivity (tfp) growth of rice varieties for different provinces of iran and then breakdown it to the changes in a technology, management efficiency and scale efficiency. for this purpose we use the nonparametric method of comprehensive data analysis and malmquist productivity index. the used data include the rice varieties pr...
This paper focuses on Indo-Iranian merchandise trade for a period of 30 years from1980-81 to 2009-10. The study is based on econometric modeling comprising 3 versions of the RWM model and alternative forms and specification of regression functions. RWM model(s) evaluates the stationary nature of time series data relating to GNP, Exports, Imports and total merchandise Indo-Iranian trade. Dickey-...
Around the world, peasant populations continue their traditional livelihoods in the face of increasingly global economic transformation. In Iran, as elsewhere, agriculture is one of the most important economic sectors and majority of farmers are peasants who still farm small plots of land, usually in marginal environments utilizing traditional and subsistence methods, while their contribution t...
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