Replication Materials for "Who Counts as a Niche Party? Programmatic Distinctiveness and Local Party Competition"

Replication materials for “Who Counts as a Niche Party? Programmatic Distinctiveness and Local Party Competition.” The package contains analysis code, text-free analytical data, preserved structural topic model objects, reference data, robustness inputs, validation files, and outputs for reproducing the primary analyses, robustness checks, and figures from Stage 2 onward. Original party manifesto texts and reconstructed paragraph-level text are not redistributed. The README provides software requirements, reproduction instructions, and expected validation results.