Crude oil accounts for the lion’s share of the demand for fossil fuels. Within the past few decades, increased oil consumption in a variety of economic sectors has lead to massive release of toxic pollutants and greenhouse gases, most specially Carbon Dioxide, as well as inflicting damages to the Earth like global warming and climate change. Accordingly, it is imperative to explore the relation...

Import tariffs are set based on the following factors: terms of trade, government revenue, trade agreements, trade protection, and political economy. This study attempts to evaluate the explanatory power of these factors in influencing the import tariffs in Iran. The data sources that have been used in this study are: Iran’s custom, import and export regulation book, survey of industrial plants...

The phenomenon of tax evasion has been always one of the most major issues among economists due to it's devastating effects on the economy and the process of economic development. Many scholars have always sought to provide solutions to reduce and limit tax evasion. The introduction of the VAT system can be seen as a milestone in the area of economic transparency and tax evasion, which refers t...

Investment, as the engine of economic growth and development is considered dramatically important wordwide. This research paper studies private investment in one of the outstanding economic sectors of the country i.e. industry. It evaluates and analyzes its private investment function. The paper uses cointegration technique in its study. The degree of integration for all the variable used in th...