Statistics indicators specific chronological series to permit the establishment of the average efficiency of a portfolio of tools for a defined period of time and compare it with the return on other financial instruments or portfolios of securities. It also provides a number of valuable...

The structure of the industrial productions reveals that necessary goods for population’s consumption and economic activity have had a structure that passes through a process of stabilization, determined by the general situation of the economy, the needs of the economic environment, but also...

A price index may be characterized as the factor giving the relative change in this value aggregate arising from changes in prices. As such, all the major price index formulae can be expressed as weighted averages of price relatives whose weights are the shares of items in the value aggregate....

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...