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This study analyzes the role of supporter fanaticism and loyalty in influencing the purchase decisions of official PSMS Medan merchandise. A qualitative descriptive method was employed through in-depth interviews, observation, and documentation, supported by secondary data from literature studies. The results show that fanaticism is reflected in emotional attachment, active involvement, long-term support, and social environmental influences. Supporter loyalty appears in consistent attendance at matches, following games, discussing the club, and repeated purchases of official merchandise. Purchase decisions are influenced by product type, design/form, and quantity, while also considering financial capability. Overall, fanaticism shapes emotional bonding, whereas loyalty drives repeated purchasing behavior; both contribute significantly to merchandise purchasing. These findings highlight the importance of design innovation, product quality improvement, and marketing strategies based on emotional and historical attachment to the club. Keywords: Consumer Behavior; Fanaticism; Merchandise; Purchase Decision; Supporter Loyalty.

This study was conducted to systematically explore the influence of the level of ease of transactions and the quality of e-commerce services on the process of determining consumer purchasing decisions in Batam City. The research framework was built with a descriptive-oriented quantitative approach through the involvement of 100 respondents who actively utilize digital transaction services, which were determined using a purposive sampling technique based on the Lemeshow formulation to ensure the adequacy and representativeness of the sample. Empirical data were collected through a structured questionnaire and then processed using statistical analysis stages that included testing the validity and reliability of the instrument, evaluation of classical assumptions, multiple linear regression modeling, and verification of hypotheses through t-tests and F-tests. The results of data processing revealed that the variable of ease of transactions contributed 18.8% to purchasing decisions, while service quality contributed an influence of 63.5%. The coefficient of determination (R²) reaching 73.3% indicates that both independent variables simultaneously have substantial explanatory power towards variations in consumer purchasing behavior. Both partial and simultaneous testing confirmed a significant influence, thus confirming that simplifying transaction mechanisms and strengthening digital service quality are strategic determinants in driving e-commerce consumer purchasing decisions in Batam City.

This study aimed to examine the influence of promotional strategies and user-friendliness on consumer purchasing decisions on the ShopeeFood platform in Batam City. The research used a descriptive quantitative approach, involving 100 actively transacting respondents, selected through purposive sampling based on Lemeshow's calculation guidelines to ensure sample representativeness. Data were collected through a structured questionnaire and analyzed using a series of validity and reliability tests, classical assumption checks, multiple linear regression, and hypothesis testing using t- and F-tests. The research findings indicated that promotions contributed 42.4% to purchasing decisions, while user-friendliness contributed 26.0%. The coefficient of determination (R²) of 78.9% confirmed that these two variables collectively explained most of the variation in purchasing behavior. The results of the t- and F-tests confirmed that promotions and user-friendliness had a significant influence, both partially and simultaneously, emphasizing the importance of integrating effective digital marketing strategies and an intuitive application interface to drive consumer decisions on ShopeeFood in Batam City.

This study aimed to uncover the extent to which eWOM, perceived brand image, and platform ease of use influence consumer purchasing decisions for Skintific moisturizer on Tokopedia. The method employed was descriptive quantitative, selecting a sample of 96 consumers who had purchased Skintific products, using a purposive sampling technique based on the Lemeshow formula to ensure representativeness. Data were collected through a questionnaire and then analyzed using a series of tests including validity, reliability, classical assumption checking, multiple linear regression, and hypothesis testing using t- and F-tests. The analysis showed that eWOM contributed 13.9% to purchasing decisions, brand image 23.4%, and ease of use 46.1%. The coefficient of determination (R²) of 75.4% indicates that these variables collectively explain most of the variation in purchasing decisions. The t- and F-tests confirmed a positive and significant influence, both individually and simultaneously, on consumer purchasing behavior on Tokopedia.

This study aimed to examine the extent to which trust, perceived security, and ease of use of the GrabFood platform influence consumer transaction decisions in Batam City. The method used was descriptive quantitative, involving 204 respondents who had made purchases through GrabFood, selected through purposive sampling based on Jacob Cohen's formula to ensure representative results. Data were collected using a questionnaire and analyzed through a series of procedures, including validity and reliability testing, classical assumption checking, multiple linear regression, and hypothesis testing using t-tests and F-tests. The study findings revealed that trust contributed 22.0%, security 38.9%, and ease of use 23.2% to purchasing decisions. The coefficient of determination (R²) of 65.6% confirmed that these three factors simultaneously explained a significant portion of the variation in consumer purchasing behavior. Furthermore, t-tests and F-tests confirmed a positive and significant influence, both individually and collectively, on consumer decisions to use GrabFood.

Ngabuburit has grown into a cultural tradition that is deeply embedded in Indonesian society during Ramadan, including among the student demographic. This study investigates the relevance of the ngabuburit tradition to the level of consumer economic literacy and the application of Islamic consumption ethics among university students in the city of Bandung. Employing a quantitative descriptive approach, data were gathered through an online questionnaire distributed to students from various universities across Bandung. The analysis aims to determine whether the pre-iftar waiting activity stimulates impulsive purchasing behavior more strongly than awareness of Islamic consumption principles particularly the avoidance of wasteful spending (tabzir) and extravagance (israf). The study also examines several factors shaping students' consumption patterns, including social environment, lifestyle tendencies, and access to food and beverage products throughout Ramadan. The results are expected to shed light on how students behave as consumers within a local cultural framework and to what degree their economic literacy can moderate consumption behaviors that contradict Islamic principles, while providing an evaluative foundation for cultivating more prudent consumption habits.

The development of digital technology has significantly transformed consumer purchasing behavior in recent years. Shopping activities that were previously conducted in person have now shifted to e-commerce and social commerce platforms that offer greater convenience, speed, accessibility, and a variety of attractive promotions. Two platforms experiencing rapid growth in Indonesia are Shopee and TikTok Shop, both of which have gained popularity among diverse consumer segments. These platforms not only offer a wide range of products but also provide interactive shopping experiences through features such as promotions, live shopping, consumer reviews, personalized recommendations, and ease of transactions. This situation has led to notable changes in consumers' purchasing decision-making processes and preferences. Factors such as app usability, promotional strategies, consumer trust, social media influence, user engagement, and evolving digital lifestyles are becoming increasingly dominant in determining purchasing decisions. Therefore, this study aims to analyze the key factors influencing consumer purchasing decisions on the Shopee and TikTok Shop platforms in the digital era, as well as to provide deeper insights into consumer behavior in an increasingly digital marketplace.

The rapid growth of e-commerce has intensified the need to understand transaction patterns and customer purchasing behavior as a foundation for strategic decision-making. This study aims to analyze e-commerce transaction patterns and customer purchasing behavior based on demographic characteristics and transaction timing. By utilizing e-commerce transaction data, this research seeks to provide a more comprehensive understanding of customers’ purchasing tendencies and the factors influencing their behavior. This study employs Exploratory Data Analysis (EDA) as the primary method to descriptively explore data characteristics through various statistical visualizations, including histograms, bar charts, line graphs, and boxplots. The analysis conducted to identify transaction trends, the distribution of purchase values, and behavioral differences across demographic groups and specific time periods. The results indicate that e-commerce transaction patterns tend to increase during certain periods, particularly in the latter part of the observation timeframe, suggesting the influence of seasonal factors and promotional strategies. The distribution of transaction values is asymmetric, with most transactions occurring in the low to medium value range, while high-value transactions are conducted by a relatively small proportion of customers. Furthermore, variations in purchasing behavior are observed across demographic groups in terms of transaction frequency and value, despite relatively balanced transaction volumes. The findings confirm that e-commerce customer purchasing behavior is influenced by a combination of temporal factors and demographic characteristics. These results are expected to serve as a basis for e-commerce practitioners in developing more targeted marketing strategies and as a reference for future research in the field of e-commerce data analytics.

This study aims to analyze consumer purchasing behavior on e-commerce platforms using the Decision Tree algorithm as an easily interpretable classification method. The dataset used consists of 12,330 transaction records with 18 attributes representing visitor characteristics and user activities during interactions with the e-commerce platform. The research stages include data exploration to identify initial patterns, data preprocessing to handle missing values and class imbalance, splitting the data into training and testing sets, training the Decision Tree model, evaluating model performance, and visualizing the tree structure to analyze decision rules.The test results show that the Decision Tree model with a maximum depth of 3 achieves fairly good performance, with an average accuracy of 89.78%, precision of 69.82%, recall of 59.95%, and an F1-score of 64.51% for the buyer class. The visualization of the decision tree provides clear interpretation of the main attributes influencing purchasing decisions, thereby facilitating understanding for non-technical decision makers. Overall, this study demonstrates that the Decision Tree method is effective in modeling consumer purchasing behavior in e-commerce and can be utilized as a basis for data-driven business decision making, particularly in marketing strategies and improving sales conversion rates.

The development of online platforms has transformed consumer purchasing behavior, including in the culinary MSME sector. Product availability across multiple online platforms has become an important factor influencing consumers’ purchasing decisions. This study aims to analyze the effect of the availability of culinary MSME products on various online platforms on consumer purchasing decisions. This research employs a quantitative approach using an explanatory research method. Data were collected through questionnaires distributed to consumers who had purchased culinary MSME products via more than one online platform. Data analysis techniques included validity testing, reliability testing, simple linear regression analysis, and hypothesis testing (t-test). The results indicate that the availability of culinary MSME products on various online platforms has a positive and significant effect on consumer purchasing decisions. These findings suggest that the easier culinary MSME products are to find, access, and consistently available across multiple online platforms, the higher the likelihood of consumers making purchasing decisions. This study is expected to contribute theoretically to digital marketing literature and provide practical insights for culinary MSMEs in developing effective multi-platform marketing strategies.

This study aims to analyze the effect of price on purchasing decisions of broiler chicken production inputs (sapronak) among partner farmers of PT Sejahtera Abadi Unggas, Kediri Unit. A quantitative approach with a causal research design was employed. The research sample consisted of 104 active partner farmers, selected using purposive sampling. Data were collected through structured questionnaires using a five-point Likert scale. The collected data were analyzed using validity and reliability tests, classical assumption tests, and simple linear regression analysis with the assistance of SPSS software. The results indicate that price has a positive and significant effect on purchasing decisions. The regression analysis produces the equation Y = 2.103 + 0.940X, with a significance value of 0.000, confirming that an increase in positive price perception significantly enhances purchasing decisions. Furthermore, the coefficient of determination (R²) of 0.699 shows that price explains 69.9% of the variation in purchasing decisions, while the remaining 30.1% is influenced by other factors not examined in this study. These findings highlight that competitive, fair, and value-based pricing strategies play a crucial role in strengthening long-term partnerships and sustaining purchasing behavior among broiler farmers. The study provides empirical evidence that can support managerial decision-making in developing effective pricing strategies within the agribusiness sector.

This study aims to examine the effects of service quality and product quality on customer satisfaction and purchase decisions, as well as the mediating role of customer satisfaction. The population consists of Shopee users in Semarang City (January–May 2025). Using the Lemeshow formula, 97 respondents were selected through purposive sampling. Data were collected using a 5-point Likert questionnaire and analyzed with SEM-AMOS. The findings show that both service quality and product quality significantly increase customer satisfaction. Service quality and product quality have positive but insignificant direct effects on purchase decisions, while customer satisfaction has a significant positive effect on purchase decisions. Customer satisfaction also significantly mediates the influence of service quality and product quality on purchase decisions. These results underline the crucial mediating role of satisfaction in shaping consumer purchasing behavior on digital platforms like Shopee.

Advancements in modern technology have reshaped people’s lifestyles, including how individuals carry out their daily activities. These changes have influenced individuals to make less realistic decisions in an effort to align themselves with their desired lifestyle. This study aims to examine whether college students with certain lifestyle tendencies are more likely to engage in impulsive buying when shopping online. The study involved 392 college students residing in Surabaya, East Java, selected through a random sampling technique. Data were collected using a Google Form–based questionnaire containing measurement instruments developed by the researcher: (1) the Impulsive Buying Scale (15 items; α = 0.858) and (2) the Lifestyle Scale (22 items; α = 0.898). Multiple linear regression was used to analyze the data.The findings reveal a significant positive relationship between lifestyle and impulsive buying. The strongeran individual’s consumerist lifestyle tendency, the more likely they are to make impulsive purchases.  

This study aims to analyze the influence of price and product quality on purchasing decisions for personal care products manufactured by PT Mandom Indonesia Tbk. The topic was chosen in response to increasingly intense competition in the cosmetics industry, along with a decline in sales performance of several Mandom products, which highlights the need for the company to better understand key factors affecting consumer purchasing behavior. The research employed a quantitative approach using a survey method. Primary data were collected through questionnaires distributed to 100 respondents who use Mandom products, selected through purposive sampling. Prior to analysis, the research instruments were tested for validity and reliability to ensure the accuracy and consistency of the data. The data were then analyzed using multiple linear regression techniques. The results indicate that price has a positive and significant effect on purchasing decisions and is the most dominant influencing factor. This finding suggests that consumers place strong emphasis on the suitability between price and perceived benefits when making purchasing decisions. Product quality also shows a positive and significant influence, although its effect is relatively smaller compared to price. Simultaneously, price and product quality explain a portion of the variation in purchasing decisions, while other factors outside the study also contribute. Based on these findings, PT Mandom Indonesia Tbk is advised to prioritize competitive pricing strategies while consistently maintaining product quality to enhance purchase intentions and strengthen consumer loyalty.

The rapid growth of modern retail competition requires companies to understand key drivers of consumer purchasing behavior, particularly impulse buying. This study examines the influence of price perception on impulse buying, with positive emotion as the mediating variable. Data were collected from 100 Circle K customers in Denpasar City using a purposive sampling method. Responses were collected through questionnaires and analyzed using Path Analysis and Sobel Test. The findings show that price perception has a positive and significant effect on impulse buying and positive emotion, and positive emotion has a positive and significant effect on impulse buying. Further, positive emotion is a significant mediator in the relationship between price perception and impulse buying. These findings support Cognitive Appraisal Theory, suggesting that favorable price perceptions of sales promotions can evoke positive emotional responses, which in turn encourage impulse buying behavior among Circle K customers in Denpasar City.

In the era of digitalization, social media has become central to consumer interaction and purchasing behavior, with platforms like TikTok Shop enabling users to engage, share experiences, and shop seamlessly. This research examines the influence of e-WOM on purchasing decisions for Somethinc products on TikTok Shop, with brand awareness as a mediating variable. A descriptive quantitative method was employed using purposive sampling, targeting 110 Indonesian consumers who use and purchase Somethinc products on TikTok Shop. Data were collected via a questionnaire with a 1–5 Likert scale and analyzed using SmartPLS version 3, including descriptive analysis, outer and inner model evaluation, and hypothesis testing. Based on the results of the direct effect analysis, it was found that e-WOM has a positive and significant effect on Purchasing Decisions and Brand Awareness, Brand Awareness has a positive and significant effect on Purchasing Decisions. Meanwhile, the results of the indirect effect analysis indicate that e-WOM has a positive and significant effect on Purchasing Decisions through Brand Awareness. These findings suggest that Somethinc can effectively increase brand awareness and drive purchasing decisions by prioritizing high-quality e-WOM content and consistent product performance on platforms such as TikTok Shop. In addition, Gen Z consumers benefit from actively engaging with credible peer reviews and experiences to make informed and confident purchasing decisions.

This research aims to analyze the role of social media in shaping consumer behavior as a consideration in business feasibility studies, with a case study of Toko Teman Hijrahku.  The method used is a qualitative approach through documentation and in-depth interviews with the owner and consumers. The results show that social media not only increases purchase intention but can also be considered as a tool for business feasibility analysis, especially for MSMEs in the digital era. Thus, social media becomes an essential part of modern marketing strategies that support business growth and sustainability

In the modern retail era, halal personal care products are increasingly in demand among Muslim consumers, particularly young generations. This study aims to analyze the influence of religious awareness, content quality, and brand awareness on consumer loyalty, with purchasing behavior as a mediating variable. The research employed a quantitative approach using survey data collected from 150 Muslim consumers aged 18–35 who had purchased halal personal care products at Tip Top Supermarket Rawamangun, Jakarta. Data analysis was conducted with Structural Equation Modeling (SEM) using the Partial Least Square (PLS) method via SmartPLS 4.0. The results show that religious awareness, content quality, and brand awareness significantly affect purchasing behavior and consumer loyalty. Furthermore, purchasing behavior mediates the relationship between these three independent variables and loyalty. These findings highlight that loyalty among young Muslim consumers is not formed instantly, but through the integration of religiosity, credible and engaging content, and strong brand awareness, which together drive consistent purchasing behaviort.

This study aims to analyze the effect of price, green knowledge, and electronic word of mouth (eWOM) on purchase intention toward electric bicycles in Kediri City. A quantitative approach with a causal-comparative design was employed. Data were collected through an online questionnaire involving 112 respondents familiar with electric vehicle concepts, using purposive sampling. The validity and reliability tests confirmed that all research instruments were valid and reliable. Data analysis was performed using multiple linear regression with SPSS version 26. The results reveal that all independent variables have a positive and significant effect on purchase intention, with an R² value of 0.893. Among them, eWOM has the most dominant influence compared to price and green knowledge. These findings indicate that reasonable price perception, adequate environmental knowledge, and positive online reviews simultaneously enhance consumers’ purchase intention for electric bicycles. This study supports the Theory of Planned Behavior in explaining eco-friendly purchasing behavior and provides strategic implications for companies to apply value-based pricing, environmental education campaigns, and effective digital promotion strategies.

This study investigates the influence of advertising selling, sales promotion, and publicity on purchase decisions for Grab’s online transportation services, focusing on students of the Faculty of Economics at the Islamic University of Kadiri. In today’s competitive market, companies must employ creative promotional strategies to strengthen consumer purchasing behavior, especially for service-based products. Consumer engagement and trust are essential, as higher involvement in seeking information increases the likelihood of purchase. A quantitative research method was applied using multiple linear regression to analyze the effects of the three independent variables, both partially and simultaneously. The study population comprised all students of the Faculty of Economics, with purposive sampling used to select respondents who met specific criteria. Data were collected through structured questionnaires and processed statistically. The findings demonstrate that advertising selling, sales promotion, and publicity each exert a positive and significant influence on purchase decisions. Collectively, these promotional tools also have a significant simultaneous impact on consumer decision-making. The coefficient of determination (R²) is 0.757, showing that 75.7% of the variation in purchase decisions is explained by the three variables, while the remaining 24.3% is influenced by other factors not covered in this research. Overall, effective promotional strategies are proven to play an important role in shaping consumer purchase behavior in online transportation services.