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Standard Practice for Measuring Internal Rate of Return and Adjusted Internal Rate of Return for Investments in Buildings and Building Systems
Automaticky preložený názov:
Štandardné praktiky pre meranie vnútorného výnosového percenta a upraví vnútorné výnosové percento pre investície do budov a stavebných systémov
NORMA vydaná dňa 1.10.2010
Označenie normy: ASTM E1057-06(2010)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2010
Kód tovaru: NS-40289
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
adjusted internal rate of return, building economics, discounting, economic evaluation methods, engineering economics, internal rate of return, net benefits, net savings, overall rate of return, payback, savings-to-investment ratio, terminal value, Adjusted internal rate of return, Building economics, Discount rate, Engineering economics, Internal rate of return, Net benefits analysis (of buildings), Overall rate of return, Payback, Terminal value, ICS Number Code 91.010.20 (Contractual aspects)
Significance and Use | ||||||||||||||||||||||||
The IRR method has been used traditionally in finance and economics to measure the percentage yield on investment. The IRR method is appropriate in most cases for evaluating whether a given building or building system will be economically efficient, that is, whether its time-adjusted benefits will exceed its time-adjusted costs over the period of concern to the decision maker. However, it has deficiencies that limit its usefulness in choosing among projects competing for a limited budget. The AIRR method is a measure of the overall rate of return that an investor can expect from an investment over a designated study period. It is appropriate both for evaluating whether a given building or building system will be economically efficient and for choosing among alternatives competing for a limited budget. The AIRR method overcomes some, but not all, of the deficiencies of the IRR. The AIRR is particularly recommended over the IRR for allocating limited funding among competing projects. |
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1. Scope | ||||||||||||||||||||||||
1.1 This practice covers a procedure for calculating and interpreting the internal rate of return (IRR) and adjusted internal rate of return (AIRR) measures in the evaluation of building designs, systems, and equipment. |
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2. Referenced Documents | ||||||||||||||||||||||||
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