one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

In recent decades, research has grown increasingly in Iran and consequently, the country has risen dramatically in world rankings based on the number of scientific documents. However, there are many evidences that show these researches were ineffective. Therefore, their efficacy should be evaluated which is the main purpose of this study. In this regard, using the descriptive-analytical method ...

Introduction: One of the most important challenges in health systems is to determine the quantity of resources a country devotes to medical care. The share of the health expenditures of GDP in developed countries is often more than developing countries, therefore as the level of development increases health expenditures increase too. Methods: This paper examines the stationary and co- integrati...

In most countries, a major source of government revenue is funded through taxes. Tax share of total public revenues is different among countries and the rate depends on the level of development and economic structure. For this reason, the necessity to understanding of causes, aggravating factors, tax evasion, providing practical solutions and scientific recommendations will be inevitable. Accor...

Importance of forming and the amount of capital stock in the industrial sector due to higher added value than other economic sectors in the growth and economic development, especially in the economic rise of paramount importance.On the other hand, taxes due to stabilization roles, allocation and distribution of income in the economy as one of the variables affecting the process are the investme...

Introduction: Increasing the level of social welfare with access the poor to order and security, education and health services, social security, increase the capacity of the economy in the chapters of agriculture, water and electricity, industries and mines, business, energy, transportation, information technology is possible. Meanwhile, the extent of government presence in how public policies ...

Introduction: Increasing the level of social welfare with access the poor to order and security, education and health services, social security, increase the capacity of the economy in the chapters of agriculture, water and electricity, industries and mines, business, energy, transportation, information technology is possible. Meanwhile, the extent of government presence in how public policies ...

Background: The rate of substitution for private and public health expenditures is one of the factors that can explain the different effects of public and private health expenditures on health and life expectancy. Therefore, the purpose of this study was to estimate the return to scale, share, and elasticity of the substitution for public and private health expenditures in Iran. Methods: In th...