The Impact of Loyalty and Work Discipline on Employee Productivity: Evidence from PT Rubber Hock Lie

Setia Hati Bawamenewi, Irwan Nopian Sinaga and Dwi Fany Fransiska Dewi Butar-Butar
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Setia Hati Bawamenewi: STIE International Business Management Indonesia.
Irwan Nopian Sinaga: STIE International Business Management Indonesia.
Dwi Fany Fransiska Dewi Butar-Butar: STIE International Business Management Indonesia.

Global Insights in Management and Economic Research, 2026, vol. 2, issue 01, 01-05

Abstract: Purpose of the study: This study investigates the influence of employee loyalty and work discipline on productivity at PT. Rubber Hock Lie Sunggal, an international rubber manufacturing company based in North Sumatra, Indonesia. Materials and methods: A quantitative approach employing saturated sampling was utilized with 50 employees comprising the total workforce. Data collection involved primary sources through structured questionnaires and secondary sources from company documentation. Multiple linear regression analysis was employed to examine the relationships between variables, supplemented by classical assumption tests and hypothesis testing (t-test, F-test, and coefficient of determination). Results: The multiple linear regression equation Y = 5.448 + 0.038X₁ + 0.602X₂ + e demonstrated that both loyalty and work discipline exert positive and significant effects on employee productivity. Partial testing revealed that loyalty significantly influences productivity (tcalculated = 2.269 > ttable = 2.011; p ttable = 2.011; p Ftable = 3.20 (p

Keywords: employee loyalty; work discipline; productivity; human resource management; manufacturing industry; multiple regression analysis (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eof:igimer:v:2:y:2026:i:01:id:82

DOI: 10.53905/Gimer.v2i01.01

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