A constant dollar is an adjusted value of currency that's used to compare dollar values from one period to another. The purchasing power of the dollar changes over time due to inflation so dollar ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A loan constant is a financial metric used by borrowers to compare an annual loan repayment, ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Thomas J. Brock is a CFA and CPA with more than 20 ...