You don't need to have studied economics to be familiar with the law of diminishing marginal utility and the idea of consumer surplus. The first has to do with the benefit consumers get from their ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

The law of marginal utility states that customer satisfaction decreases with each unit purchased. So, the more your customers purchase, the less satisfaction they get from each additional purchase. If ...

From a practical standpoint, the august professors were talking about the value of that last dollar, the one at the top of a potentially very high stack that you might possess. And the function for ...

Forbes contributors publish independent expert analyses and insights. A former Dallas Fed president, I cover the economy. This is not an argument for more quantitative easing, or QE3, as it would ...

This paper develops an econometric model of the valuation of electric utility shares. This model, based upon the Sharpe-Lintner capital market theory, yields indirect estimates of the marginal rate of ...