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 ...

Perpetual bonds have no maturity date, allowing them to pay interest indefinitely, making them appealing for long-term income ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. A finance charge includes interest rates, origination fees, service fees, and late fees.

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 ...