Data and code for: Fragile long-run co-movement and specification-sensitive adjustment in Indonesian beef markets

Supplementary data and code for the article "Fragile long-run co-movement and specification-sensitive adjustment in Indonesian beef markets" (Asian Journal of Agriculture, manuscript 26761). The record contains the analysis dataset of monthly beef and live-cattle prices for Jakarta, East Java, and South Kalimantan (January 2018-May 2024, 77 observations) from SIMPONI-TERNAK, Ministry of Agriculture of the Republic of Indonesia, with interpolation flags, both data vintages and their provenance, gap verification, and the CPI series; the result workbooks of all sensitivity analyses; the Python code that regenerates every table and figure (versions pinned, random seeds fixed); Supplementary Figures S1-S2; the full test output; and the preserved raw downloads with SHA-256 checksums. See README.md for the contents of each file and how to reproduce the results.