Economics & Queueing
6 demosOperations and finance — queueing, inventory, forecasting, and option pricing.
M/M/1 queue
Server utilisation versus waiting time for an M/M/1 queue — the hockey-stick that explains why busy systems fall over.
Black-Scholes delta
The option delta Φ(d₁) traced across a moneyness sweep — the hedge ratio at the heart of Black-Scholes.
Bollinger bands
A Bollinger-band price envelope on the canvas — a rolling mean with ±2σ bands tracking a price series.
Holt demand forecast
Holt double-EMA forecasting tracking level and trend on a noisy synthetic demand series.
Wilson EOQ inventory
The Wilson economic-order-quantity model with annual demand swept — the √D growth of the optimal order size.
Bullwhip effect
Order-variance amplifying quadratically up a supply chain — the bullwhip effect made visible.
More in this category
- Safety stock vs lead time
- Inventory PID + bullwhip
- GARCH(1,1) volatility
- Bottleneck queue (peak hour)
See it on your own system.
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