# Data Dictionary - European Labour Market Tightness - vacancy÷unemployment (Beveridge), quarterly Parquet

**Units:** all `tightness_ratio` values are in **ratio (vacancy/unemployment)**.  Times are UTC.

| column | type | description |
|---|---|---|
| `zone` | str | Geo / country code (DE, FR, NL, …) |
| `ts` | timestamp (UTC) | Quarter start |
| `tightness_ratio` | float | Job vacancy rate ÷ unemployment rate |
| `unit` | str | Unit |
| `res_min` | int | Native resolution (quarterly) |

*Source: Eurostat (European Commission).*