Marginal efficiency of capital (MEC) is the discount rate at which the present value of the future yields from a capital asset are equal to its cost of acquisition. The idea behind computing the MEC ...

Marginal taxation systems like the U.S. federal income tax system increase the percentage of income owed to taxes as a taxpayer’s income increases. There are seven income brackets. Your marginal tax ...

The marginal tax rate is the percentage of tax applied to your income for each tax bracket in which you qualify. Essentially, it’s the rate you pay on an additional dollar of income. This rate ...

Your marginal tax rate is the highest income tax rate you’ll pay on your income. Because the U.S. has a progressive tax system, different tiers of your income are taxed at different rates. The ...