the main goal of this study was to investigate the way of affecting of water in production of cucumber. from aspect of econometrics, mutual relationships of production function and expenses have been analyzed in which translog cost function has been used. this function has been estimated using the conditional input demand functions, the shefard theorem, chemical fertilizer, animal fertilizer, l...

p olicy makers in housing sector seeks to use instruments by which they can control volatility of housing price and prevent high disturbances of the bubble and price shocks, or at least, reduce them. in the portfolio and speculation theories, it is emphasized that speculative demand for housing is the main cause of shocks and price volatilities in the sector. the theory of housing price bubble ...

the main purpose of this study is to determine welfare impacts of trade liberalization on maize market. for this purpose, we used from time series data for the period 1961/2009 and estimated domestic supply, domestic demand and import demand for maize. results of estimation showed that price elasticity of supply and demand is 0.32 and -0.25, respectively. then, by means of these elasticities, w...

The importance of drug as a valuable export product in the global economy becomes more clear every day. Understanding the problems of exports and factors affecting it, can be an important step to keep Iran’s position in the world markets and further export development of this product.In this study, Iranian pharmaceutical exports’ supply and demand functions were calculated using co-integration ...

energy carriers including electricity play a critical role in human societies development, and as the time passes, their importance in the human socio-economic life rises. therefore, knowing electricity demand and the factors affecting on it could have an effective role in economic decision-making. while dividing electricity demand into different consuming sectors, this study uses economic vari...

in this study, yield-water and profit function was used to obtain water demand function in agriculture sector. the results showed that the ratio of actual to potential evapotranspiration had positive, significant effecton the ratio of actual to potential yield for wheat and barley. also, square ratio of actual to potential evapotranspiration had negative, significant relationship. after estimat...

most regions of iran are confronted with inadequate supply and excessive demand of water in agriculture sector mainly resulting from a high difference between water providing cost and its price. coping with such a challenge needs to determine the water price based on the economic principles and its value in agricultural production. the aim of this study was to determine the economic value of th...