Partial least squares structural equation modeling (PLS-SEM) has become a standard tool for analyzing complex inter-relationships between observed and latent variables in tourism and numerous other fields of scientific inquiry. Along with the recent surge in the method’s use, research has contributed several complementary methods for assessing the robustness of PLS-SEM results. Although these improvements are documented in extant literature, research on tourism has been slow to adopt the relevant complementary methods. This article illustrates the use of recent advances in PLS-SEM, designed to ensure structural model results’ robustness in terms of nonlinear effects, endogeneity, and unobserved heterogeneity in a PLS-SEM framework. Our overarching aim is to encourage the routine use of these complementary methods to increase methodological rigor in the field.

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The purpose of this paper is to investigate the impact of customerbased perceptual corporate sustainability on customer loyalty in a comparative manner, in four important industries (mobile telecommunications services, retail banking services, dairy products and personal care products) in a developing country. A consumer survey was implemented among a sample of 1464 consumers from the urban area of a developing European country. Our research reveals that customer-based perceptual corporate sustainability significantly and positively impacts customer loyalty in all investigated industries, with a stronger impact in retail banking services and a lower one in the case of personal care products. The research identifies those perceptual corporate sustainability dimensions which significantly impact customer loyalty and on which companies should focus within their marketing communication in order to increase customer loyalty. The paper brings relevant multi-sectorial insights, filling a regional knowledge gap, in the particular socio-cultural and economic context of a developing country, and thinking forward the general theoretical knowledge regarding the relationship between customer loyalty and perceptual corporate sustainability as complex constructs. Moreover, by using a quasi-exhaustive manner to conceptualise corporate sustainability, this paper complements previous research on the topic, in which corporate sustainability was constructed narrowly, within limited conceptual frameworks.

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The objective of the current paper is to investigate the impact of customers' perceptions of their service providers' corporate social responsibility (CSR) on customer loyalty, bringing relevant and useful insights regarding the nature of this relationship in the retail banking industry, and in the particular context of a developing country. The objective was accomplished by planning and implementing a consumer survey among a sample of 1449 Romanian retail banking customers, using an item-pool drawn up from the literature. The observed variables were grouped into several reflective latent variables, and afterwards included into a multiple regression model. The results indicate that customers' loyalty towards retail banking companies is significantly and positively impacted by how customers perceive their providers' CSR. Moreover, analyzing each category of responsibilities individually, banks' responsibility towards their customers can be emphasized as being the most important dimension in our research context. The results convey practical implications for customer loyalty enhancement in a European developing country's retail banking industry, by identifying those CSR dimensions on which organizations should focus on within their CSR policies implementation and communication.

The goal of the current research is to analyze the impact of customers' perceptions of corporate social responsibility (CSR) on their loyalty towards mobile telecommunication companies within the particular socio-cultural and economic context of one of the largest national markets of Central and Eastern Europe. In order to achieve this goal, a survey was conducted among a sample of 1,464 mobile telecommunication customers from the urban area of Romania. The ndings point out the fact that Romanian mobile telecom customers' loyalty is not signi cantly impacted by how they perceive their service suppliers' responsibilities with regard to their employees or economic success, while their perceptions of companies' responsibilities towards customers, public authorities, the environment, community development, and sponsorship have a signi cant impact on corporate brand loyalty. The ndings have managerial implications in what concerns the appropriate implementation and communication of CSR policies by mobile telecommunication companies from the region in order for them to enhance their customer's loyalty.

Nowadays, in the technological era, social networking sites (SNSs) have the capacity to influence, through electronic word‐of‐mouth (eWOM), consumers' attitudes towards brands and companies. Consequently, eWOM via SNSs has become an important marketing communication tool for facilitating consumer interaction, acquiring new customers, and enhancing customer loyalty. However, despite the extensive research conducted to identify and depict the antecedents of eWOM, the prediction of whether and to what extent brand‐related content will be shared on SNSs, based on consumers' personality traits, is still an area of marketing that needs further research. Grounded in the trait theory of personality, the current study's objective is to analyze the impact of SNS users' materialism, narcissism, self‐esteem, and extraversion on eWOM diffusion, both directly and indirectly, mediated by referral visit behavior and knowledge‐based validation. For this, an online survey was conducted among a sample of 301 Romanian Facebook users, data being analyzed using partial least squares structural equation modeling. Our findings reveal a high prevalence of eWOM among SNS users, more than one‐third of the investigated sample having a tendency to pass along information about products and brands in SNSs. The results show that eWOM diffusion in SNSs is positively predicted (directly and indirectly) by users' materialism, extraversion, and narcissism, while the total effect of self‐esteem on eWOM diffusion is insignificant. The research provides useful insights for online marketers, concerning psychographic segmentation and social media communication, as well as for SNS developers, with regard to improving the segmentation and targeting tools offered to online marketers.