Sonja Mlaker Kač

Dr. Sonja Mlaker Kač


Research Focus & Metrics

Academic Career Length

8Years (2019-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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21 April 2022 in Sustainability
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Journal Article
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NSNourhan Ahmed Saad
Nourhan Ahmed Saad
SESara Elgazzar
Sara Elgazzar
SKSonja Mlaker Kač
Sonja Mlaker Kač
Due to the importance of the micro, small, and medium-sized enterprises (MSMEs) sector and the negative implications of COVID-19, which resulted in decreasing resource availability, shortages of supply, declining consumer demand and requirements, and a lack of consumer satisfaction and loyalty, this research investigates the impact of resilience, responsiveness, and quality on customer loyalty in MSMEs. An online questionnaire was conducted on MSMEs’ end consumers in the Egyptian context. The analysis was conducted through Amos and SPSS, and the research hypotheses were tested through covariance-based structural equation modelling for 891 valid questionnaires. The findings exposed that there is a positive significant impact for operational resilience (flexibility and technology adoption), responsiveness (delivery fulfillment and speed and after-sale service), and product/service quality on customer loyalty in terms of behavioral, attitudinal dimensions. It contributes to understanding how MSMEs could enhance their sustainable performance (resilience, responsiveness, quality) to reach better customer loyalty. This research presents insights on how the MSMEs sector can adapt to the dynamic business environment in terms of COVID-19 crisis and consumer behavior, which has changed the nature and needs of the market and consumers. In addition, this research extends the theories of Resource-Based View (RBV), Dynamic Capability View (DCV), and Theory of Consumption Value (TCV) in an empirical contribution through filling the gap in understanding consumers’ needs in terms of resilience, responsiveness, and quality.

21 December 2020 in Management: Journal of Contemporary Management Issues
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Closed access
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MČMateja Čuček
Mateja Čuček
SKSonja Mlaker Kač
Sonja Mlaker Kač
The aim of this research was to analyze organizational culture and the impact of different types of organizational cultures on employee satisfaction in the Slovenian logistics sector. Logistics is a service-oriented sector and therefore the impact of employee satisfaction on the quality of logistics service is even more important than in general. For the purpose of research, we conducted a quantitative survey, which combined the OCAI survey for the determination of organizational culture and the survey of employee satisfaction. The research results showed that organizational culture in Slovenian logistics sector has an impact on employee satisfaction. We can also confirm that type of organizational culture influences the satisfaction of employees. The clan and hierarchical type of organizational culture are dominant in Slovenian logistics sector. Employees prefer the clan culture which, accordingly, also leads to more employee satisfaction. It can be argued that employees in Slovenian logistics sector are the most dissatisfied with the type of market culture.

18 December 2019 in Management: Journal of Contemporary Management Issues
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AKAnja Kmetec
Anja Kmetec
BRBojan Rosi
Bojan Rosi
SKSonja Mlaker Kač
Sonja Mlaker Kač
The article deals with an overview of various theories and studies examining the concepts of partnerships, relationships and strategic alliances. We present various perspectives and theories dealing with these concepts, in connection and interdependence with the supply chain and the supply chain management. In conclusion, we try to establish a model to become the basis for our further study of strategic alliances and their strengths.

29 October 2022 in Management Systems in Production Engineering
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Sebastjan LazarSebastjan Lazar
Sebastjan Lazar
Vojko PotočanVojko Potočan
Vojko Potočan
SKSonja Mlaker Kač
Sonja Mlaker Kač
GYGözde Yanginlar
Gözde Yanginlar
Dorota Klimecka-TatarDorota Klimecka-Tatar
Dorota Klimecka-Tatar
Matevz ObrechtMatevz Obrecht
Matevz Obrecht
Companies are increasingly aware that employees are an important factor in success, so they pay more and more attention to them. Because of that, organizational culture and normative commitment are also included as extremely important factors. The research includes a systematic and comprehensive review of the literature and at the same time obtaining and analysing data from practice through a survey. The research focuses on employees from the logistics departments in the supply chain of electronic component production and supply. Group of companies across Europe were included in the survey (Austria, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic, Germany, Hungary, Latvia, Lithuania, North Macedonia, Poland, Romania, Russia, Serbia, Slovenia and Ukraine). The research demonstrates the realization that the types of classification of organizational culture have different effects on direct and indirect normative commitment. Gender differences were also found. The research-based on the calculated average mean values shows the classifications of organizational culture and normative commitment. The latter follows the organizational culture with minor deviations. The order of classification of organizational culture follows the current economic situation, where according to the studied criteria, the first is a culture of the market. The research shows that men’s rate of normative commitment is better than women’s, while in organizational culture the situation is exactly the opposite. One of the most significant findings is based on the Pearson correlation coefficient with the SPSS program was found that, according to the classification, Hierarchy culture has a positive effect on indirect normative commitment.

2 March 2025 in World
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NANikša Alfirević
Nikša Alfirević
DRDarko Rendulić
Darko Rendulić
SKSonja Mlaker Kač
Sonja Mlaker Kač
This article presents the role of environmental attitudes and self-efficacy in shaping the behavioral expectations of business students in Southeast Europe regarding extreme climate events. Conducted across twelve public and private business schools in five countries, the study provides a baseline for comparison with similar empirical research. Using multiple linear regression, we analyze the relationship between the pro-environmental attitudes and environmental self-efficacy to the students’ climate change expectations. Our results indicate that pro-environmental attitudes significantly predict the students’ expectations of extreme climate events, while environmental self-efficacy plays a secondary but statistically significant role. These findings extend the extant literature by focusing on the role of sustainability in business school curricula and the potential positive outcomes of experiential learning methods and approaches.

17 June 2026 in Sustainability
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Journal Article
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MVMarko Veličković
Marko Veličković
MČMateja Čuček
Mateja Čuček
JIJelena Ivetic
Jelena Ivetic
ĐSĐurđica Stojanović
Đurđica Stojanović
SKSonja Mlaker Kač
Sonja Mlaker Kač
Borut JerebBorut Jereb
Borut Jereb
This study introduces a comprehensive framework for understanding sustainable online shopping preferences, validated using survey data collected in Serbia and Slovenia in 2025 (n = 572), thereby enhancing its generalizability. The primary aim of this research is to examine the extent to which specific environmental, social, and economic indicators influence decision-making processes for online purchasing and delivery. A detailed quantitative analysis was conducted using a structured questionnaire that included a wide range of variables related to online shopping behaviors and delivery preferences. The findings indicate that preferences for sustainability are inherently complex and multifaceted, shaped by critical factors such as environmental concerns, social responsibility, trust, skepticism towards sustainability claims, willingness to pay (WTP), and price sensitivity. Demographic variables, particularly gender and age, show consistent links to preferences for environmental considerations and corporate social responsibility (CSR), while income impacts trust-related behaviors and WTP. Furthermore, the analysis distinguishes between two distinct decision-making approaches: a value-driven sustainability cluster represented by EcoIndex, SocialIndex, and WTPIndex, and a cost-minimization strategy focused on price sensitivity (PriceIndex), with trust acting as a related yet separate factor (CredibilityIndex). Overall, this study emphasizes that a range of interconnected dimensions significantly shape sustainable online shopping preferences. The study was conducted in two developing European countries. Additionally, the findings highlight the need to address universal market barriers, such as price sensitivity, information asymmetry, and consumer skepticism. In a business context, they underscore the importance of adopting advanced analytical methods to enhance decision-making and optimize sustainable business strategies.