چکیده:
The present study evaluates the effect of investment diversification on the return on
investment and risk as long as the central bank's monetary policy factors will affect how
banks investment. This study has a descriptive-correlation nature that has analyzed
financial information of 10 active bank in Tehran stock exchange in the period of 1388 to
1392 using the SPSS version 21. In this study Hirschman-Herfindhl index (HHI) was used
to evaluate the investment diversification level of banks in various economic parts. The
normality of research data, the kolmogroph – esmirnoph test has been used and the
Durbin Watson test was used for investigating the independency among errors. The
(anova) variance analysis test has been used for investigating the meaningfulness of
regression. Results showed that the investment diversification has a negative and inverse
effect on investment return and risk. Also any of control variable and interfere has no
effect on investment return and bank risk.
خلاصه ماشینی:
The effect of investment diversification on return and risk of private banks in the implementation on monetary policy Parisa Abbasnezhad1* and Hossein Miladiyan2 1MSc student, Department of Management, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran Paria.
2016 ABSTRACT The present study evaluates the effect of investment diversification on the return on investment and risk as long as the central bank's monetary policy factors will affect how banks investment.
Keyword: Investment Diversification, Hirschman-Herfindhl Index, Risk * Corresponding author: Abbasnezhad Peer review under responsibility of UCT Journal of Management and Accounting Studies INTRODUCTION Banks undertake a considerable role for growth and development of economical systems; in such way that economical growth, increase of welfare, and improvement of living level in each country depend on the range of investment which are actually collected and saved by millions of people via bank's system; while other millions of people don’t have the power and possibility of investment due to different reasons.
while, today the above index is used for measuring the effect of concentration validities, deposits, and properties on the bank's profitability; so that it is a basis for expressing the grade of diversification.
Bill (2007), in his study under the title "investigating the role of stock market in diversifying the property of bank "showed that most of banks can decrease the unsystematic risks via diversification.
Eftekhar (2001), through investigating the effect of concentration and diversification on risk and return, showed that risk is decreased by diversifying facilities in banks.