In this paper, authors present some considerations regarding the use of non-linear regression functions in the statistical analysis of economical phenomenon. The article includes the description of necessary steps for the determination of model parameters and the interpretation of the factorial...

It is the opinion of all specialists that the most important (if not the only) means of achieving economic growth and development is through investments. Indeed, a durably developed economy cannot be conceived without the support from massive investments in all areas of activity: economic,...

On the market, the consumer is defined as the main element, element of reference, as the market is unable to take independent existence without it. Modern marketing concept assumes that all economic activity should be directed towards meeting the requirements of actual and potential consumers...