7,248 research outputs found

    A methodology for the selection of new technologies in the aviation industry

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    The purpose of this report is to present a technology selection methodology to quantify both tangible and intangible benefits of certain technology alternatives within a fuzzy environment. Specifically, it describes an application of the theory of fuzzy sets to hierarchical structural analysis and economic evaluations for utilisation in the industry. The report proposes a complete methodology to accurately select new technologies. A computer based prototype model has been developed to handle the more complex fuzzy calculations. Decision-makers are only required to express their opinions on comparative importance of various factors in linguistic terms rather than exact numerical values. These linguistic variable scales, such as ā€˜very highā€™, ā€˜highā€™, ā€˜mediumā€™, ā€˜lowā€™ and ā€˜very lowā€™, are then converted into fuzzy numbers, since it becomes more meaningful to quantify a subjective measurement into a range rather than in an exact value. By aggregating the hierarchy, the preferential weight of each alternative technology is found, which is called fuzzy appropriate index. The fuzzy appropriate indices of different technologies are then ranked and preferential ranking orders of technologies are found. From the economic evaluation perspective, a fuzzy cash flow analysis is employed. This deals quantitatively with imprecision or uncertainties, as the cash flows are modelled as triangular fuzzy numbers which represent ā€˜the most likely possible valueā€™, ā€˜the most pessimistic valueā€™ and ā€˜the most optimistic valueā€™. By using this methodology, the ambiguities involved in the assessment data can be effectively represented and processed to assure a more convincing and effective decision- making process when selecting new technologies in which to invest. The prototype model was validated with a case study within the aviation industry that ensured it was properly configured to meet the

    Fuzzy Real Investment Valuation Model for Giga-Investments, and a Note on Giga-Investment Lifecycle and Valuation

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    Very large industrial real investments are different from financial investments and from small real investments, even so, their profitability is commonly valued with the same methods. A definition of a group of very large industrial real investments is made, by requiring three common characteristics. The decision support needs arising from these characteristics are discussed and a summary of existing methods to value and to provide decision support for large industrial investments is presented. A model built specifically to support investment decisions of very large industrial real investments and a numerical application of the model are presented. The model is discussed and commented. A note is made on an observation regarding the giga-investment lifecycle and its effect on giga-investment valuation.Large industrial investments; Profitability analysis; Fuzzy corporate finance; Capital Budgeting

    Capital Budgeting Methods and Performance of Water Services Boards in Kenya

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    One management practice that has been widely adopted by corporations is capital budgeting. The current study sought to establish the relationship between capital budgeting methods and performance of water services boards in Kenya. The study was guided by the following specific objectives: to identify the capital budgeting techniques employed by the Water Services Boards in Kenya; to assess the factors that influence the choice of the capital budgeting techniques used by the Water Services Boards in Kenya; and to evaluate the relationship between capital budgeting techniques and organizational performance. A review of literature related to the study area was undertaken in order to eliminate duplication of what has been done and provide a clear understanding of existing knowledge base in the problem area. The literature review is based on authoritative, recent, and original sources such as journals, books, thesis and dissertations. A descriptive design was to identity the relationship between capital budgeting techniques and performance in water services boards in Kenya, whose number stood at 8 as at June 2008. A semi-structured questionnaire was used to collect primary data from the respondents. Since all the Water Boards have websites and reliable internet connection, the researcher sent the questionnaires to the respondents outside Nairobi by email. The Boards whose Head offices are located in Nairobi received their questionnaires by hand delivery. A letter of introduction, stating the purpose of the study was attached to each questionnaire. In addition, the researcher made telephone calls to the respective respondents to further explain the purpose of the study and set a time frame for the completion of the questionnaires. Once completed, the researcher personally collected the questionnaires from respondents in Nairobi, while those from outside Nairobi were received online. Findings of the study indicate that the capital budgeting techniques used by Water Services Boards in Kenya include Net Present Value, Internal Rate of Return, Profitability Index, Average Rate of Return and Payback Period. The findings further show that the Factors that Influence the choice of capital budgeting techniques include: - Cost of debt to the Water Service Board, either from public or private sources; Internal Rate of Return; Average cost of capital for its stakeholders; Average rate of return on equity invested by the Water Services Boards; and Risk associated with the project. The findings also point at a positive relationship between usage of capital budgeting techniques and organizational performance. Improved access to funding to undertake projects and informed decision making were cited by the respondents as being the major benefits of adoption of capital budgeting techniques. Keywords: Capital Budgeting, Performance, Water Services Board

    Operational budgeting using fuzzy goal programming

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    Having an efficient budget normally has different advantages such as measuring the performance of various organizations, setting appropriate targets and promoting managers based on their achievements. However, any budgeting planning requires prediction of different cost components. There are various methods for budgeting planning such as incremental budgeting, program budgeting, zero based budgeting and performance budgeting. In this paper, we present a fuzzy goal programming to estimate operational budget. The proposed model uses fuzzy triangular as well as interval number to estimate budgeting expenses. The proposed study of this paper is implemented for a real-world case study in province of Qom, Iran and the results are analyzed

    Fuzzy net present value for engineering analysis

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    Cash flow analysis is one of the most popular methods for investigating the outcome of an economical project. The costs and benefits of a construction project are often involved with uncertainty and it is not possible to find a precise value for a particular project. In this paper, we present a simple method to calculate the net present value of a cash flow when both costs and benefits are given as triangular numbers. The proposed model of this paper uses Delphi method to figure out the fair values of all costs and revenues and then using fizzy programming techniques, it calculates the fuzzy net present value. The implementation of the proposed model is demonstrated using a simple example
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