Through the appearance of analysis models was possible to simplify the graphical representation of the various processes of the hydrology, and also from the climatologic domain. Current scientific research imposed the deepening of operating mechanism and the way of manifestation of these...

The index is sensitive to time changes of quantity and price data, over time, drawn from sub-measures, partially additive as they are measured in different units. The index summarizes these in a time series which includes the updates in quantities and prices’ values.Because usually data are...

This paper is devoted to a spark of genius, a brainwave derived from Dimitrie Cantemir’s inexhaustible thinking; among numberless other facets of that huge personality endowed with exceptional intellectual ability, also counts his capacity as the first shaper of Romanian statistical thinking,...

This paper provides a unified framework for interpreting a wide range of interactions models which have appreared in the economic literature. The framework bears a close relationship to econometric models of descrete choice and therefore holds the potential for rendering interactions models...

This paper puts forth a concept of Adptivety Rational Equilibrium (A.R.E) where agents base decisions upon predictions of future values of endogenous variables whose actual values are determined by equilibrium equations.