The contour interval of a contour map is the difference in elevation between successive contour lines. More generally, a contour line for a function of two variables is a curve connecting points where the function has the same particular value. The gradient of the function is always perpendicular to the contour lines.
Public finance is the study of the role of the government in the economy. It is the branch of economics which assesses the government revenue and government expenditure of the public authorities and the adjustment of one or the other to achieve desirable effects and avoid undesirable ones.
Finance is the study of banking, leverage, credit, capital markets, money and investments, along with how they are used by individuals and companies. Small Business. Companies that are short on cash may need financing to pay for short-term needs or long-term capital expenditures.