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All Journal Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah
Athfal, Azkal Azkiya
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Economics, Econometrics & Finance Energy Environmental Science Public Health Social Sciences

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Unveiling Regional Growth Patterns Spatial Heterogeneity and Infrastructure Quality under a Bayesian Framework in Central Java Suripto, Suripto; Salim, Agus; Kurniawan, Mahrus Lutfi Adi; Khasanah, Uswatun; Athfal, Azkal Azkiya
Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah Vol 20 No 2 (2025): September 2025
Publisher : Faculty of Economics and Business Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32424/er.v20i2.17670

Abstract

: This study investigates the impact of infrastructure quality, encompassing roads, clean water distribution, and electricity consumption, on regional economic growth in Central Java from 2018 to 2024. A Bayesian Panel Data Regression model with a hierarchical structure was estimated using the Markov Chain Monte Carlo (MCMC) method, assisted by Python programming, to address spatial heterogeneity, lag effects, and parameter uncertainty. Model validation employed Posterior Predictive Checks (PPC), Bayesian R², R-hat statistics, and Effective Sample Size (ESS). The findings reveal that past GRDP significantly influences current regional economic growth, while the direct effects of infrastructure variables are statistically insignificant. This outcome highlights that infrastructure quality is more important than quantity in promoting development. The study advances empirical methodologies by integrating full posterior inference with predictive validation, representing a state-of-the-art approach in regional economic analysis. The results provide strong evidence in support of formulating infrastructure policies that focus on long-term, sustainable Growth.
Unveiling Regional Growth Patterns Spatial Heterogeneity and Infrastructure Quality under a Bayesian Framework in Central Java Suripto, Suripto; Salim, Agus; Kurniawan, Mahrus Lutfi Adi; Khasanah, Uswatun; Athfal, Azkal Azkiya
Eko-Regional: Jurnal Pembangunan Ekonomi Wilayah Vol 20 No 2 (2025): September 2025
Publisher : Faculty of Economics and Business Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32424/er.v20i2.17670

Abstract

: This study investigates the impact of infrastructure quality, encompassing roads, clean water distribution, and electricity consumption, on regional economic growth in Central Java from 2018 to 2024. A Bayesian Panel Data Regression model with a hierarchical structure was estimated using the Markov Chain Monte Carlo (MCMC) method, assisted by Python programming, to address spatial heterogeneity, lag effects, and parameter uncertainty. Model validation employed Posterior Predictive Checks (PPC), Bayesian R², R-hat statistics, and Effective Sample Size (ESS). The findings reveal that past GRDP significantly influences current regional economic growth, while the direct effects of infrastructure variables are statistically insignificant. This outcome highlights that infrastructure quality is more important than quantity in promoting development. The study advances empirical methodologies by integrating full posterior inference with predictive validation, representing a state-of-the-art approach in regional economic analysis. The results provide strong evidence in support of formulating infrastructure policies that focus on long-term, sustainable Growth.
Co-Authors Agus Salim Fachry Abda El Rahman Mahrus Lutfi Adi Kurniawan, Mahrus Lutfi Adi Suripto Suripto