Macroeconomic policies are designed to reach real economic targets like: lower employment and inflation rate, increasing output, balance of payment equilibrium, and so on. There is no unique model to choose the appropriate policy in a real context. That depends on too many influence factors –...

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...