This research seeks to ascertain the influence of selling price on coffee bean sales, to explore the impact of land area on coffee bean sales, and to analyze the combined effect of both variables on coffee bean sales in Ambaidiru Village, Kosiwo District, Yapen Islands Regency. The study adopts a quantitative descriptive approach grounded in an associative causal design. The research population comprised 64 coffee farmers, from which a saturated sample (census) technique was utilized, taking all 64 respondents. Data collection was carried out through observation, structured interviews, library research, and questionnaires. Data processing was performed with the assistance of SPSS 26, encompassing instrument testing, multiple linear regression analysis, partial correlation, and multiple correlation tests. The findings reveal that the selling price exerts a positive and strong partial influence on coffee bean sales. Similarly, land area demonstrates a positive and moderately strong effect on coffee bean sales. When examined jointly, selling price and land area together produce a strong and significant impact on coffee bean sales with a multiple correlation coefficient of 0.681. Drawing on these results, local farmers and stakeholders are advised to establish competitive selling prices and optimize land utilization to sustainably improve coffee bean sales and economic welfare.
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