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,...

Sata Envelopment Analysis (DEA) of efficiency is highly sensitive to the level of aggregation. Generally as the number of inputs and outputs increase, differences in measured relative efficiency across firms decrease. This paper advocates using the EKS index number formula to aggreagte inputs...

In marketing activity, there will always be risk, and marketing being a vital element for an economic entity, and also a dynamic department that must quickly adjust to economy requirements, we consider that a research on them is a challenge and important action in understanding them and possibly...

Although the instruments and transactions most closely associated with the financial crisis of 2008 and 2009 were novel, the underlying themes that played out in the crisis were familiar from previous episodes: Competitive dynamics resulted in excessive leverage and risk-taking by large,...