The behaviour of the economic agent – customer is a rational type of behaviour in order to maximize the satisfaction achieved through the use of commodities. In order to determine a rational behaviour, we start from the premise that every costumer has complete and accurate information on: the...

Romania began its demographic transition about one century later than the developed countries. We put the blame of this gap on the delayed economic, social and political development in comparison with the Western Europe. But also, it could not be forgotten the shift from a population forced and...