The objective of the book is to discuss and explain the problems caused by the investment process in a world that is so full of change that it has become uncertain For this reason the author presents a very wide range of theoretical and technical elements gathered from the new mathematics of uncertainty, both in its numerical and non-numerical aspects озшнщ In this regard an important role is played by the theories of fuzzy sub-sets, forgotten effects, affinities, expertons and many others that are being introduced with such success, in an attempt to arrive at a solution to the complex problems of management and the economy Audience: Researchers, consultants and students interested in the application of mathematics to economics, management and investment. БудильникISBN 0792352963.