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Integrating Hard and Green Infrastructure for Sustainable Tourism: A Spatial Analysis of Saudi Regions

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  • Muhannad Mohammed Alfehaid

    (Department of Geography and GIS, College of Social Sciences, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 13318, Saudi Arabia)

Abstract

Tourism performance often depends on the joint provision of built (“hard”) and environmental (“green”) infrastructure, yet their combined effects are not well established. Using official data for Saudi Arabia’s 13 regions (2023–2024), this study constructs composite hard and green indices, estimates ordinary least squares models with heteroskedasticity-consistent inference, and probes spatial heterogeneity using geographically weighted regression (exploratory) alongside k-means/hierarchical clustering. Hard infrastructure is the strongest and most consistent correlate of overnight visitors and spending, whereas green infrastructure exhibits non-positive marginal effects over the observed range of hard capacity; a negative, statistically significant Hard × Green interaction indicates diminishing returns to greening as built capacity increases. Clustering differentiates metropolitan hubs from nature-oriented regions, underscoring place-specific policy needs. Practically, results support sequencing prioritizing foundational access and basic accommodation in under-served regions, quality upgrades and public-realm enhancement in mature centers, and targeted green interventions where marginal gains are greatest. Key limitations (cross-sectional design; coarse green metrics) motivate richer environmental indicators and longitudinal data to clarify dynamics and thresholds over time.

Suggested Citation

  • Muhannad Mohammed Alfehaid, 2025. "Integrating Hard and Green Infrastructure for Sustainable Tourism: A Spatial Analysis of Saudi Regions," Sustainability, MDPI, vol. 17(20), pages 1-15, October.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:20:p:9295-:d:1775175
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    References listed on IDEAS

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