چکیده:
Energy is an indispensable input for economic activity. Although capital and labor have widely been used as the production factors of many countries production function, but there is little body of literatures which has used the energy as a production factor in Iran. To the importance of energy factor in production process, in this study, the energy factor is entered in the long-run Iran’s agriculture sector and total economy production functions. Also, the Cobb-Douglas production function and Auto-Regression Distributed Lag (ARDL) approach are used for estimating the long-run production functions. Results show that the production elasticities of labor, capital and energy factors of Iran’s agriculture sector are 0.36, 0.23 and 0.32, respectively. Beside, the production elasticities of labor, last year capital and energy factors of Iran’s total economy are 0.55, 0.46 and 1.17, respectively.
خلاصه ماشینی:
"Studying the Effect of Energy Factor on Iran’s Agriculture Sector and Total Economy Production Ali Reza Karbasi 1 Seyed Mohammad Fahimifard 2 Hamid Reza Jahany 3 Abstract Key words: Assistant professor of Department of Agricultural Economics, University of Zabol.
Kiyani and ranjbari (2001) studied the long-run relationship among the Iran’s energy, labor and capital factors of agriculture sector using the co-integration and Auto-Regressive Distributed Lag (ARDL) models for estimating the Cobb-Douglas form of production function during the years 1967-1999.
In addition, the logarithmic form of Cobb-Douglas production function is as fallow: (2) In order to study the long-run and short-run relationship between depended and independent variables of model, usually the cumulative methods like Engel-Granger and Error correction (ECM) are used.
Also, the above table shows that, the Iran’s agriculture sector long-run production elasticities for the labor, capital, and energy variables are respectively, 0.
Beside, the Iran’s total economy long-run production elasticities for labor, last year capital stock and energy variables are respectively 0.
73 Intercept Source: Research findings Table 6 indicates that, there is a positive and meaningful relationship among the labor, capital, and energy variables and Iran’s agriculture sector value added in long-run.
38 Source: Research findings Notice to the table7 obtained results, in short-run, there is a positive and meaningful relationship between labor and energy variables, and the Iran’s agriculture sector value added in 5% significance level."