Fuzzy real investment valuation model for very large industrial real investment

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 together with presenting and analysing existing methods to provide decision support for them. A model built specifically to support investment decisions of very large industrial real investments is presented, discussed and commented.