nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...

Mining in natural ecosystems, including rangelands, has many economic and social consequences, which leads to the degradation of pastures and changes in livelihoods of the inhabitants of the region. The purpose of this study was to investigate the economic and social consequences of extraction of mines and their impact on livelihood of ruminants in Ghorveh city. The number of samples was estima...

This paper investigates the optimal fiscal policy, pertaining to government spending, considering different productivity of public services in production function and its impact on the optimal tax rate, the optimal rate of government spending, and optimal economic growth rate. Using the VECM model for Iranian economy over 48 years, results show while the current expenditure has a positive and s...