Billytona, Cinta
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Analysis of Interregional Spillover Effects on Industrial Sector Growth in the Gerbangkertosusila - 4 Billytona, Cinta; Primadhana, Wiwin Priana
Journal of Regional Economics and Development Vol. 3 No. 2 (2026): February
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/jred.v3i2.973

Abstract

This study examines spillover and reciprocal relationships of industrial sector growth among Sidoarjo, Gresik, Pasuruan, and Mojokerto. The Two-Stage Least Squares (TSLS) method was applied using industrial GRDP data from 2000–2024. The results show that: (1) Sidoarjo and Gresik have a positive and mutually reinforcing relationship; (2) Sidoarjo and Pasuruan exhibit a reciprocal but weak relationship; and (3) Sidoarjo and Mojokerto show a reciprocal but negative relationship, indicating spatial competition. These findings highlight that interregional industrial interactions vary and are shaped by agglomeration forces and regional industrial structures.