+**Interest** is the cost paid for the use of borrowed [Money](/wiki/money), or the gain received for lending it. It reflects the [Time Value](/wiki/time_value) of money, a fundamental concept in [Finance](/wiki/finance) and [Economics](/wiki/economics).
+## See also
+- [Loan](/wiki/loan)
+- [Debt](/wiki/debt)
+- [Capital](/wiki/capital)
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