نوع مقاله : مقاله پژوهشی
1 بخش اقتصاد کشاورزی دانشگاه شیراز
2 استاد اقتصاد کشاورزی دانشگاه شیراز
عنوان مقاله [English]
In the present study, the cross sectional data of 2013-14 were collected through questionnaires from 201 irrigated-wheat producers in Fasa applying multistage random cluster sampling to investigate the effects of energy carriers’ price rising on environmental quality. Firstly, through utilizing Almost Ideal Supply System and estimating the demands of wheat inputs and the complementary and substitutionary relationships between the inputs. Then, consistence with targeted subsidies plan, various energy (gas oil and electricity) prices increase scenarios are employed to calculate changes in the demand for production inputs. In this study, changes in quantity demand inputs for water, chemical pesticides, fertilizers and energy carriers’ has been used as an indicator of environmental quality. The results indicated that own-price elasticity of compensated demand are negative for all inputs. Also the cross elasticities of compensated coefficients revealed complementary relationships between gas, oil, machinery and electricity, labor, and the substitutionary relationship between gas oil and electricity and as well as gas oil and labor. The effects of the price rising of gas oil and electricity indicated that by increasing in price these carriers, the environmental quality reduced. Therefore, it is suggested that policy in wheat production should be implemented with further considerations. Finally, despite its low own-price and cross elasticities of compensated demand inputs, the substitutionary they can implicitly suggests appropriately willingness of producers to use inputs other instead of energy. Therefore, it is suggested that the government should introduce technologies replacing energies and promote consistent environmental instead.