Investigation of seasonal changes of urban population employment in Iran

Cities are engines of economic growth and social development, and also the nodes of capital accumulation and specialized services; but, the employment aspect is easily overlooked in urban development strategies. Employment is one of the most important factors through which economic growth can be led into poverty reduction and less income inequality. The study of workers of economic sectors is of great importance; the identification of each sector in the structure of worker population of regions is useful to economic planning for their future development. Regarding the importance of this matter, this paper attempts to study periodic changes of urban population employment in economic parts in 24 seasonal periods since spring 2005 t0 spring 2011, and comparative analysis of employment situation of provinces of Iran and finally, explore the relationship among different economic sectors’ employment. For exploring employment situation and giving clear view of vicissitudes trends of the provinces during the studied period, the assessment of provinces’ employment changes has mainly done in comparison to changes of national level; for this purpose, it was used the third part of shift-share model which determines the economic situation of a province in comparison to national level. This paper also considers the relations among economic triple sectors. The analyses were done by Shift-share model, descriptive statistics, Pearson correlation coefficient and cluster analysis; the graphs of the trend of employment indicator changes in economic sectors and the maps of spatial distribution of provinces were represented.