This dataset provides a weekly snapshot of businesses that hold near‑monopoly positions in the Phoenix‑Mesa‑Chandler metropolitan area. Each of the 145 records identifies a firm whose local market share exceeds 30 % and whose Herfindahl‑Hirschman Index contribution is above 900 within a 1‑kilometer radius… See the full description on the dataset page:
https://huggingface.co/datasets/beamstation/the-hhi-monopoly-index-for-phoenix-mesa-chandler-metro-area-az-us-886848.
