Market Failures, Taxes, and Subsidies
https://www.youtube.com/embed/13JOGWzY8kE
Quelle: https://www.youtube.com/watch?v=13JOGWzY8kE
The video explains the free rider problem of free markets (12 minutes / CrashCourse 2020).
https://www.youtube.com/embed/13JOGWzY8kE -->