The Inverted U-Curve

Too little or too much — find the sweet spot

Click an example to find the optimal zone

Examples

Stress & Performance

Yerkes-Dodson Law

Tax Rates & Revenue

The Laffer Curve

Caffeine & Focus

One cup good, five cups bad

Choice & Happiness

Paradox of choice

Team Size & Output

Too few or too many

Confidence & Success

Humble vs arrogant