One of the challenges in contemporary zone of management and organizational behavior is to create and strengthen social capital. Social capital arises from individuals trying to help people build trust, relationships and cooperation. Without social capital, employees are not able to share information and knowledge. The purpose of this study is to review the relationship of social capital and the learning organizational in one of Iranian organizations called Jihad Agriculture Organization of Kermanshah. The statistical population includes 270 employees of this organization and a sample size of 159 people are chosen using Morgan statistical table for a the first six months of 2012. The research method is descriptive- survey, the type of correlation and a questionnaire for collecting information are used. A number of university professors confirmed validity of the questionnaires. Their reliabilities were obtained with Cronbach & apos; s alpha and the coefficients for questionnaire of social capital was 0.705 and for questionnaire of learning organization was 0.838, respectively. By using correlation coefficient and multiple regressions, the data were analyzed. Results in a significant level of 95% showed, social capital had a meaningful relationship with learning organizational.

Systematic risk (beta) is one of the most effective factors in predicting the appropriate required rate of return of portfolios. Understanding systematic risk of usual portfolio of various companies helps investors consider financial investment, more confidentially. The aim of this study is to determine if there is any significant relationship between Company Size (Market value of stocks, Book value of stocks, level of company sale, trade volume of stocks, Price dividend ratio) as independent variables and Systematic risk (Beta) as dependent variables. The study chooses 112 companies accepted in Tehran Stock Market based on screening (systematic deletion) in a six-year- period from 2005 to 2010. The required data were gathered from basic financial statement, committee reports, and other available documents in Tehran Stock Market. Regression and Pearson correlation were used to analyze the data. The results of the study revealed that there is a significant relationship between the variables. Some suggestions regarding the topic of the research are given too.