Of Money: Amount
Cite specific studies (e.g., Gallup World Polls on life satisfaction).
Does more money always equal more happiness? Research (like the famous Kahneman-Deaton study) suggests that happiness increases with income only up to a certain point (often cited around $75,000–$100,000), after which the emotional benefits level off. amount of money
Why "rational" decision-making becomes harder when you are under financial pressure. Cite specific studies (e