Journal of Indonesian Economic Research
Vol. 4 No. 1 (2026): June

Pengaruh Brand Trust, Influencer Marketing, dan Lifestyle Terhadap Keputusan Pembelian Produk Eiger Pada Generasi Z

Hidaya Turrohmah (Program Studi Manajemen, Universitas Mercu Buana Yogyakarta)
Titik Desi Harsoyo (Program Studi Manajemen, Universitas Mercu Buana Yogyakarta)



Article Info

Publish Date
01 Jun 2026

Abstract

This study aims to analyze the influence of Brand Trust, Influencer Marketing, and Lifestyle on Eiger product purchasing decisions among Generation Z. The sample in this study was 100 Generation Z respondents who had purchased Eiger products. The sampling technique used non-probability sampling with purposive sampling through an online questionnaire. The results of the instrument test indicate that all questions used in this study are valid and reliable. The results of the classical assumption test indicate that the data in this study are normally distributed and free from multicollinearity and heteroscedasticity. The data analysis technique employed in this study is multiple linear regression analysis. Based on the results of the study, it can be proven that (1) Brand Trust has a positive and significant effect on Eiger product purchasing decisions among Generation Z. (2) Influencer Marketing has a positive and significant effect on Eiger product purchasing decisions among Generation Z. (3) Lifestyle has a positive and significant effect on Eiger product purchasing decisions among Generation Z. Brand Trust is the variable with the most dominant influence. The coefficien of determination test yields an Adjusted R Square value of 0.865, demonstrating that the three independent variabel account for 86.5% of the variance in purchase decisions.

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Journal Info

Abbrev

jier

Publisher

Subject

Economics, Econometrics & Finance

Description

Journal of Indonesian Economic Research (JIER) is a scholarly journal that publishes scientific research on the theory and practice of economic studies. This journal is dedicated to publishing peer-reviewed, high-quality, context-related academic research on open-economy macroeconomics. It ...