In this study authors argues that diversification plays an important role not only in personal financial investment, but also in corporate strategy.

The inflation phenomenology offers to the author the occasion to perform a theoretical, i.e. an abstract analyze, that identifies the comprehensive notional typology family of this phenomenology.

The loss of the sovereign interest rate and exchange rate instruments is the main potential cost of joining a monetary union since it becomes more difficult to adjust swiftly to shocks. In the case of demand shocks that affect all countries more or less equally (symmetric shocks), the loss of...