<![CDATA[The research focuses on analyzing how spending by domestic travelers, spending by international visitors, and investment activities contribute to the Gross Regional Domestic Product (GRDP) of West Sumatra Province during the period 2004– 2024.The data used are secondary time series data covering the years 2004–2024, The data for this study were sourced from the Central Bureau of Statistics (BPS), the Ministry of Tourism, and the West Sumatra Provincial Tourism Office. To analyze the relationship among the variables, the study applies a Multiple Linear Regression approach with the aid of E-Views 10 software. The results of the study show that partially, The findings reveal that spending by domestic tourists shows no meaningful impact on the GRDP of West Sumatra, and a similar outcome is observed for foreign tourist spending, which also fails to demonstrate a significant influence on the province’s economic output. However, investment has a positive and significant effect on the GRDP of West Sumatra Province. Simultaneously, domestic tourist expenditure, foreign tourist expenditure, and investment collectively influence the GRDP of West Sumatra Province..]]>
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