Department of Agricultural Economics, University of Zabol, Zabol, Iran
*Correspoding Author: Seyed Mohammad Fahimifard, Department of Agriculte, Shirvan branch, Islamic Azad University, Shirvan - 94617, Iran.
The main aim of this study is examination of import demand function and investigation of its effects on welfare by analyzing Simultaneous equation system during 1979 to 2008. In this study the results social welfare obtained using consumer surplus for the top four wheat importing countries (Algeria, Brazil, China and Egypt). The variable price of wheat export has a negative and significant effect on consumer surplus and social welfare that per one percent increase in wheat price elasticity, has reduced consumer surplus -1.11%, -0.5211%, -12.087% and -0.0002% for the four countries mentioned, that has been slacked the level of social welfare.
Wheat importing countries, Consumer surplus, Compensation change, Social welfare, Simultaneous equations
