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 ...

Home equity is the portion of a house that the homeowner holds outright — the difference between the house's value and the total amount they owe on the home. As their equity increases, homeowners can ...

To calculate your home's equity, subtract the balance on all debts secured by your home – including your primary mortgage and any secondary loans – from your property's current appraised value. The ...

What does “moment magnitude” mean, and how do scientists determine the strength of a rupture in the earth? By Henry Fountain Henry Fountain spent a quarter century covering science for The Times. He ...

Every thriving business relies on a robust return on investment (ROI) to help gauge whether its investments are yielding a profit. Although you as an individual investor possess shallower pockets than ...

Issuing stock boosts a company's cash but requires precise accounting for the shares. To determine stock issuance proceeds, multiply shares by price and subtract underwriter fees. Stock issuance ...

Reinvest dividends to buy more shares; consider tax when selling shares accumulated via DRIPs. Dividends received outside IRA are taxable, increasing your stock's tax basis over time. Track cost basis ...

You can't always control the price of electricity, but you can control your home's energy consumption. Here's how to calculate it. Chi Odogwu is a digital consultant, professor, and writer with over a ...