Purpose: This study aims to investigate the intricate relationship between the volume of exports (Y) and freight turnover on railways (X) through a paired linear regression model. The purpose is to discern the quantitative impact of railway freight turnover on a nation's export volumes and offer insights for policymakers and stakeholders in the transportation and trade sectors. Design/Methodology/Approach: A quantitative research design is employed, utilizing historical data spanning from 2000 to 2022. The chosen methodology involves the estimation of a paired linear regression model using the method of least squares. Statistical significance is tested through the coefficient of determination, Fisher's F-test, and an examination of heteroskedasticity. Elasticity analysis, rank correlation, and graphical assessments of residuals provide a comprehensive understanding of the relationship. Findings: The research reveals a strong and statistically significant positive correlation (r = 0.92) between export volumes and railway freight turnover. The regression model, validated through multiple tests, explains 84.72% of the variability in export volumes. Economic interpretation indicates that a one-unit increase in railway freight turnover leads to a substantial average increase of 1627720.728 units in export volumes. The absence of heteroskedasticity reinforces the robustness of the model.
| Mualliflar | Vokhidova, Mehri, Вохидова, Мехри, Voxidova, Mehri |
|---|---|
| Jurnal | Иқтисодий тараққиёт ва таҳлил |
| Nashr sanasi | 2024-03-30 |
| Jild | 2 |
| Son | 3 |
| Betlar | 157-166 |
| Til | Ingliz |
| DOI | 10.60078/2992-877x-2024-vol2-iss3-pp157-166 |
DOI: 10.60078/2992-877x-2024-vol2-iss3-pp157-166 · Maqolaning asl sahifasi
экспорт, грузооборот, экономический эффект, эластичность, гетероскедастичность, exports, freight turnover, economic impact, elasticity, heteroskedasticity, eksport, yuk aylanmasi, iqtisodiy ta'sir, elastiklik, heteroskedastiklik
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