Economic analysis for effective factors in supply response of wheat crop in Iraq in Anbar province from 1990 to 2013
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2016, Volume 14, Issue 1, Pages 327-336
AbstractThe importance of the study of the supply response of agricultural crops they diagnosed the most important influencing factors in motivating farmers to expand the area cultivation of the crop particularly crops that demand is more than the domestic production such as wheat crop, which was covered by this research. It has been selected Anbar province, the area to search their relative importance for the production of the crop and because the analysis at the provincial level may be more accurate than analysis at the country level because of the different of the response in different regions. For the estimating supply response cultivated wheat crop area has been the adoption of the partial amendment to Nerlove for the estimation of supply response functions through multiple regression analysis by multiple formats in order to reach the most conciliation signals formula with economic and statistical logic.
Through the analysis and display the results have been a better formula, a dual logarithmic using absolute price where were identified the most important factors affecting the supply response cultivated , which includes the price of wheat crop for the year earlier , the price of barley crop( crop competitor ) , area response for the year earlier , cultivated area prior to the year , and productivity the former , productivity risk, irrigation water , and time , it turned out that the combination of these variables explain about 95% of the variances in the area cultivated through the coefficient of determination R-2 .. It was found that the price elasticities of supply in the short-run is less than one, this means that the wheat crop is described that is flexible, this is consistent with economic theory that agricultural commodities is inelastic be supply for biological nature
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