Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

The world of microeconomics and business decision-making hinges upon a key concept: marginal cost. In the simplest terms, marginal cost represents the expense incurred to produce an additional unit of ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A loan constant is a percentage that shows the annual debt service on a loan compared to its ...

Rate of return represents the percentage net gain or loss of an investment's initial cost over a period of time. The rate of return calculates the percentage change from the beginning to the end of a ...

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The DSCR measures how well a company can service its debt with its current revenue. Here’s how to calculate it. In a nutshell, the Debt Service Coverage Ratio (DSCR) measures a company’s ability to ...