Public finance is a study of the financial aspects of Government. It is concerned with the revenue and expenditure of the public authorities and with adjustment of the one to the other.
“Public finance is one of those subjects that lie on the border line between Economics and Politics. It is concerned with income and expenditure of public authorities and with the adjustment of one to the other”. -Huge Dalton
“Public finance is an investigation into the nature and principles of the state revenue and expenditure”. -Adam Smith