Answer:
In a closed economy, public saving is the amount of
d. tax revenue that the government has left after paying for its spending.
Explanation:
Public saving or budget surplus in a closed economy describes the excess of government revenue (obtained through taxation of individuals and businesses in the economy) and government expenditures on goods and services. In an open economy, transfers are deducted before arriving at the public saving. In all economies, the addition of private (individual and business) and public savings result to national investments.