🚚 Supply Chain Bullwhip Effect: 2D Four-Tier Inventory Model

Interactive 2D model of a four-tier supply chain (retailer, wholesaler, distributor, factory) running an order-up-to inventory policy with moving-average forecasts. Watch order variance amplify upstream (the bullwhip effect), compare it with the theoretical bound, inject stock, trigger supplier outages and demand spikes, and test information sharing.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install