Budget deficits are subtracted because budget deficits imply that private saving is in part going to pay for the deficits of the government and not going into private investment. The more interesting part of the equation involves the uses of national saving, given on the right side of the identity.
It is important to procure further resources to support the income of poor households, which are relatively numerous in Italy by European standards and on which the impact of the increase in the prices of essential goods is heavier. Going forward, it is also important to identify instruments that systematically deliver support to persons in economic difficulty.