kampambashula/ZambiaTaxMineral-App

Zambia Tax & Mineral Analysis App # Zambia Tax & Mineral Analysis App An interactive Streamlit app for analyzing **Zambia's PAYE tax system** and **mineral royalties**, with visualizations of effective tax rates, marginal points, and copper royalty revenue. --- ## Features ### 1. PAYE Analysis - Visualize **effective PAYE tax rates** across income levels. - Identify **marginal points** where the effective tax rate changes. - Explore the **derivative of effective tax rates**. - Graphical display with **shaded PAYE bands** for clarity. - Full income range from **0 to 2,000,000 ZMW**. ### 2. Mineral Royalty Analysis - Explore **copper mineral royalty rates** based on official price bands. - Compare **stepwise vs smoothed (optimal) royalty rates**. - Calculate **revenue based on copper production and price**. - Peak revenue marker highlights the **optimal copper price** for maximum revenue. - Interactive slider to adjust **copper production**. --- ## Installation 1. Clone this repository: ```bash git clone cd zambia-tax-mineral-analysis