Learn how changes in income impact satisfaction and understand the principles behind the marginal utility of income in modern economies.

Nobody ever said economists were perfect. Economics necessarily smoothes away the complicated marginalia of actual economic life, in order to produce models that will work simply and fairly accurately ...

Marginal propensity to consume and the marginal propensity to save refer to the portion of each extra dollar of a household’s ...

Thanks in large part to new House member Alexandria Ocasio-Cortez, a New York Democrat, there’s been lots of discussion this week about hiking tax rates on the superwealthy. Her support in a 60 ...

I have made it one of my little missions in life to convince proponents of what I call "Ultra-strong supply side-ism" that no, at the tax rates that currently prevail in the United States, you cannot ...

Editor's note: A version of this article was initially published on April 10, 2018. It is part of the 2020 Tax and IRA Guide. Question: What is the difference between marginal and effective tax rates, ...

Your tax bracket and the percentage of your income you actually pay are two different things. Your marginal tax bracket, or marginal tax rate, and the actual tax rate you pay on your income are ...

This blog has been updated to clarify that the top table refers to single household incomes in 2012, and the interactive tax calculator below reflects 2010 data for most countries. The amount ...

Learn how marginal relief prevents disproportionate tax liability when your income slightly exceeds a surcharge threshold, ensuring fairness in ...