Public Finance is the term which has traditionally been applied to the package of those policy problems which involve the use of tax and expenditure measures. It is not a good term, since the basic problems are not financial but deal with the use of resources, the distribution of income, and the level of employment.
i learned that tax can imply trickle-down effect for cycle of economic. tax should be levied using two principle,such as benefit principle and ability to pay principle,,,