Investigating OF spillovers OF Factors Influencing Wage Inequality in Iranian Provinces by Spatial Econometric Approach of Composite Data

Increasing wage inequality is an important phenomenon in developed and developing countries. Depending on the labor market conditions, wages vary across geographic regions. Identifying the factors affecting wage inequality is essential in policymaking minimum wage and labor supply and demand. Therefore, the purpose of this study was to investigate the factors affecting wage inequality in the Iranian provinces with the spatial econometric approach of combined data over the period 1385-1395. The results indicated the existence of spatial autocorrelation among the studied provinces.Also in this study, the variables of per capita income, total household expenditure, industrial investment, industrial concentration, unemployment rate have been the main explanations of wage inequality among the provinces of Iran and other results show that all variables except Unemployment rate has direct and indirect effects positive and variable unemployment rate has direct and indirect effects negative.