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...

The intern product, the national product and the national income are three basic economical concepts expressing the results of the economical activity in the entire national economy. The intern product expresses the final product of economical goods obtained in a lapse of time by the economical...