نتایج جستجو برای: 2012 period and considering both commodity basket
تعداد نتایج: 16898538 فیلتر نتایج به سال:
selection of best demand model for explaining of consumer behaviour is one of the most important issues in microeconomic. in this paper we introduce aids[1],cbs[2], nbr[3] and rotterdam model and estimate these models by iranian urban households data for period 1973-2012.seemingly unrelated regression method is chosen for estimation of 5 groups of commodities including food, housing, clothing, ...
the present study set out (a) to examine the categories of pedagogical knowledge related to the act of teaching of novice and experienced teachers as gleaned from their verbal report of what they were thinking about while teaching and (b) to compare the categories of pedagogical knowledge of novice and experienced teachers. the aim of comparing these two groups of teachers was to see whether di...
In most studies in the field of international economics import is considered as a final consumer good in the consumption basket of consumers. Accordingly, if import is considered as a factor of production, estimation of import demand function would be considered as an innovation. In this paper, with the use of shephard lema function, share of each factor of production in total costs has been e...
The aim of this paper is to discuss the hedging techniques that a company based in an emerging market country can use to hedge the risk associated with jet fuel or kerosene. The company can be an airline company or a market intermediary offering contracts on this important commodity. An empirical analysis reveals two main directions for minimum risk hedging: one is to cross-hedge directly the c...
sugar, including processed goods in the world in the raw material for the production of agriculture and it is a strategic commodity. the intent of this research is to approach the game theory to analyze the relationship between import and export of sugar, iranian and brazil. the impact of changes in world prices and import tariffs, the welfare of the brazilian study. the data used in this study...
The housing market plays a significant role in the economies of countries, and as an asset price channel, is considered as one of the main channels for monetary transmission mechanism. Considering the structure of the country's economy and the characteristics of housing as a capital commodity, the assessment of the impact of housing investment on inflation is important. This research evaluates ...
abstract in written mode of language, metadiscourse markers are used commonly to help writers in general and academic writers in particular to produce coherent and professional texts. the purpose of the present study was to compare introduction sections of applied linguistics and physics articles regarding their use of interactive and interactional metadiscourse markers based on the model pro...
rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
the following question poped up: is there any relationship between iranian high school efl learners reading comprehension and listening comprehension? then the following null hypothesis (ho) was developed to the test the above, mentioned question. "there is no relationship between high school efl learners reading comprehension and listening comprehension. for nearly 16 weeks, the experimental g...
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