cities need good, participatory and effective policies and plans for development. urban development plans such as comprehensive plan are the most important tool for implementation of policies and plans. the effective implementation of city development plan requires high level documents such as spatial planning; good macro development plans policies, efficient urban management and public partici...

the main goal in carrying out this paper was to investigate the impacts of government’s support policies on income risk of egg producers in iran during years 1989-2008. index ccv, was employed to assess the variation in income of the producers. the results revealed that, market price support along with the overall support policies lead to a lowering of the percentage variations in income risk o...