Economics Marginal Revolution Economics Videos Weekend Serious Read more posts by this author. Weekend Serious 1 Jun 2020 • 1 min read Economics Videos | Marginal Revolution UniversityLearn economics on your time. MRU provides over 900 free videos, taught by top economists.Marginal Revolution University Subscribe to Weekend Serious Get the latest posts delivered right to your inbox Subscribe Great! Check your inbox and click the link to confirm your subscription. Please enter a valid email address!