A new system approach in estimate theory deterministic approach and uncertainty measures

This paper deals with the analysis of models to estimate the value of buildings and goods in general. A new approach is proposed on the basis of system theory both in the deterministic and stochastic framework. The models refer both to the static and to the dynamic behaviour. The paper is developed in three parts. Linear and nonlinear models are proposed in the first part for static predictions and is followed by identification of parameters. The second part proposes the logic and methodologic paths towards a measure of uncertainty. The third part deals with the definition of estimate criteria time dependent evaluations. The paper has to be regarded as the first step towards a new estimate theory.