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supply-chain-analysis

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Compute supply chain risk metrics for critical minerals — HHI concentration, net import reliance, top-3 share, and trend analysis

skills/supply-chain-analysis/SKILL.md

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# Supply Chain Risk Analysis

Compute supply chain risk metrics for critical minerals including the Herfindahl-Hirschman Index (HHI) for production concentration, net import reliance (NIR), top-3 country share, and multi-year trend analysis. Combines data from BGS World Mineral Statistics and USGS Mineral Commodity Summaries.

## Usage

### Full risk assessment:
```bash
python3 {baseDir}/scripts/supply_chain_metrics.py --commodity "Lithium"
```

### Specific metrics:
```bash
python3 {baseDir}/scripts/supply_chain_metrics.py --commodity "Cobalt" --metrics hhi,nir,top3share
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