درخت حوزه‌های تخصصی

The Time Value of Money is a important concept in Financial Management. The Time Value of Money includes the concepts of future value and discounted value or present value. In the present article, the basic notions and illustrate with their application in the field of investment which is presented in the mathematical terms in form of theorems and we also presented the applications of some well known problems with the proof such as mortagage loan problem, investment in bond and an individual who plans to retire in certain years who plan for invest-ment for its future life. We also presented the application of calculus that is limit, derivative and integration in financial management.

The present research identifies and prioritizes the effective organizational structure components using content (theme) analysis and Delphi technique and hierarchical analysis (Case Study of Regional Electric Companies of Iran). The present study is applied  based on purpose and is exploratory-survey based on the nature and method of data collection. The statistical population of this study includes 36 experts selected from Iranian regional electricity companies. They were identified through targeted sampling. To analyze the research data, statistical software MAXQDA2012, SPSS and EXPERT CHOICE were used. Using these statistical software, in order to test research questions, Kendall test have been investigated. In the qualitative phase, we analyzed and interpreted (coding) of concepts expressed by the experts of the regional electricity companies of Iran, including open, axial and selective coding. The Delphi method was then used to localize and screen the indices obtained. In the content (theme) analysis phase, 20 factors were identified and after gathering the experts 'responses in Delphi periods, the members' concordance was assessed through SPSS software and by calculating the Kendall's coefficient of concordance for the questionnaires, and the investigation and concordance among the experts was obtained 81.9%. The results showed that 15 components were agreed upon by the experts. In the final step, the components were prioritized using the hierarchical analysis approach. The results of the hierarchical analysis showed that among the criteria, the complexity criterion was of the highest importance. The next priorities from the experts' point of view are the inhibitor or developer factors and the technology criterion.