- Today's #seminar: 'The Economics of Ancient Mediterranean Slavery: Prices, Profits, and Productivity' 🗣️Walter Scheidel (Stanford University) ⏰14:00 CET 📍Sala de Graus, 690 Building 🔗f.mtr.cool/iinctlweii 🗃️Other activities #EconSky #EconomicsFeb 5, 2026 08:01