Free sample dataset from BeamStation
--HHI Dominance--
This dataset captures near‑monopoly positions for businesses operating in Seattle, Washington, US. It contains 19 records, each representing a firm that mathematically "owns" its local market with a share exceeding 30% and contributes more than 900 points to the Herfindahl‑Hirschman Index within a 1‑kilometer radius. The data are refreshed weekly, ensuring users have the most… See the full description on the dataset page:
https://huggingface.co/datasets/beamstation/the-hhi-monopoly-index-for-seattle-washington-us-433358.