Derivation Web

source_6f7a006acd9b470b

# Source literature boundary memo

## Research question

Across retrieved source-level receipts for minimum_wage, which metrics, settings, or contrasts differ versus remain null/mixed, and what matched design remains untested?

## Selection criteria

The source-literature selector kept minimum_wage because the candidate bundle met the public source rule: 5 citable papers, 5 distinct fact-backed so…