عنوان مقاله [English]
نویسندگان [English]چکیده [English]
Since about 34% of areas under rice cultivation in whole country is attributed to Gilan; in this study we pay attention to some economical dimensions, especially economic values of inputs in this region. Data were collected from 80 rice producers in 2007-2008. Consider to importance the parametric approach in production structure and factors demand, Applying Seemingly Unrelated Regression Estimation method, a translog profit function with the factors cost share equation estimated. Finally with Hotteling-Lemma, economic value for every hectare of land and family labor were 16000000 and 200000 (Rial), respectively. Therefore attention to this value can result to increase in profitability of rice production process.
Keywords: Economic value, Family labor, Land, Profit function, Rasht, Rice