Objectives: Considering the growth of the elderly population and the need of the elderly for health services and the importance of supplementary insurance on improving the quality of life of the elderly households, this study aimed to investigate the effect of supplementary health insurance on out-of-pocket payments for elderly households in urban areas of Iran. Methods: this descriptive-analy...

Objective: Poverty alleviation is an essential step to achieve economic development. This is why identification exercise is so crucial. Traditionally, different aspects of insecurities have not be taken into poverty measurement. Many types of insecurities have adverse impacts on household welfare. Identifying vulnerability of household can serve identification of the poor households. Meth...

there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...

in reality, most structures involved in geotechnical engineering are three dimensional in nature, and although in many, plane strain or axisymmetric approximations are reasonable, there are some, for which 3-d treatment is required. the quantity of data, and the size of the various vectors and matrices involved in such analysis, increase dramatically. this has sever implications for computer r...

Introduction: Major part of health expenditure is paid directly by households in most of developing countries. This catastrophic expenditure is entailed on families. Assessing important determinants of Out Of Pocket Payment (OOP) is one of the key issues in health care finance. Methods: This study uses Iranian household income expenditure in 2005-2010 annually provided by statistical center of ...