Apostolos N. Giovanis

University of West Attica | TEIATH · Department of Business Administration

This study aims to explore how culture induces the dynamics in the asymmetric impact of service quality attributes, extracted from hotel customers’ online reviews, on customer satisfaction. The study analyses 13.653 tourists’ online reviews from various European regions concerning the service they received from 4- and 5-star hotels located in the v...

In today’s interconnected world the strength of electronic word of mouth (e-wom) is higher than ever especially in tourism where online reviews affect online purchase decisions and customer satisfaction (Kim et al., 2016; Athanasopoulou & Giovanis, 2023). Consumer-generated content, in the form of online reviews, is becoming an increasingly importa...

This study investigates the direct effects of entrepreneurship education on entrepreneurial intention, attitude, subjective norms, and perceived behavioral control, as well as its indirect effects on entrepreneurial intention through changes in elements of the theory of planned behavior (TPB). An experimental design with a pre-test-post-test group...

Green products are getting more preferred than the conventional ones as they are related with sustainable consumption. Digital marketing practices are used by companies to reach the relevant target groups, to promote green products and develop sustainable relationships with their customers. Although there are several studies dealing with the role o...

According to global health tourism data there were over 23 million health tourists in 2019 and medical tourism is growing rapidly. Greece is one of the most preferred destinations for medical tourism and particularly for fertility treatment. However, research on medical tourism is limited. The purpose of this study is to investigate the inbound tou...

Purpose This study aims to examine the impact of firm-generated content (FGC) on lesbian, gay, bisexual, transgender, queer/questioning (LGBTQ+) influencers, focussing on inclusive marketing strategies and enquires the ability of LGBTQ+ influencers to enhance brand engagement and loyalty within diverse communities. Design/methodology/approach A qu...

Social media influencer marketing has emerged as a new marketing tool. Generation Z consumers are especially influenced by social media influencers when purchasing cosmetic products. The purpose of this research is to examine the effect of the credibility of social media influencers on consumers’ brand consideration and purchase intention, while at...

Purpose The purposes of this study are to (i) systematically review the state of the existing research of talent management (TM) in emerging markets and its connections with firm performance; (ii) recap the results in an integrative and multidisciplinary framework and (iii) recognize potential research contradictions and gaps that offer avenues for...

Online reviews provide a wealth of information on how customers assess the different attributes of a service. Research shows that the performance of hotel service attributes is expected to have asymmetric effects on customer satisfaction. The purpose of this study is to analyze online reviews and determine whether different hotel service attributes...

In a digitally empowered business world, a growing number of family businesses are leveraging the use of chatbots in an attempt to improve customer experience. This research investigates the antecedents of chatbots’ successful use in small family businesses. Subsequently, we determine the effect of two distinctive sets of human–machine communicatio...

The purpose of this paper is to investigate the direct effects of personality traits on entrepreneurial intention (EI), the theory of planned behavior (TPB) on EI, as well as the indirect effects of personality traits on EI through the elements of TPB. In order to enhance the originality of this study, the model of personality and the theory of pla...

This paper aims to propose and empirically validate a measure of brand evidence of Online Travel Agencies (OTA), representing all relevant brand associations that customers are doing when evaluating an online brand, and then investigate its effect in building strong consumer-brand relationships and creating favourable consumer behavioural intention...

This study investigates the adoption of proximity mobile payment services (PMPS) using, for the first time, an extended version of the decomposed theory of planned behaviour (DTPB) and considering both the linear and non-linear relationships depicted in the proposed model. Based on a two-stage hybrid analytic methodology, the proposed model was val...

Environmental issues are massively emerging in the current agendas of governments, businesses and consumers all over the globe. Consumers increasingly adopt a more energetic role in the environmental discussion and employ product consumption to manifest their contribution to the debate. Equally, a growing number of businesses try to affect positive...

International Journal of Computational Linguistics, 12(1): 1-8. This article is freely available at https://www.cscjournals.org/journals/IJCL/issues-archive.php

We investigate the optimal performance of Self Organized Feature Maps in numerous different models of neural and hybrid form to define the optimal classifier, compared to Jordan Elman networks to determine the optimal classifiers for portfolio selection in hedging aspects.

Using empirical data from the Kuwaiti mobile telecommunications sector, this study models a fuzzy cognitive map (FCM) to investigate the reciprocal effects of customer loyalty and its antecedents in an emerging market context. This study investigates the effect of perceived service quality, perceived service value and brand equity on customer loyal...

This paper explores consumers’ attitudes and behavioural intentions towards corporate social responsibility (CSR) practices in the airline industry by examining the role of consumers’ perceived values and expectations towards CSR initiatives in the airline industry. Data pertaining to customers in the airline industry is used to determine the role...

The purpose of this study is to analyze the factors determining consumers’ intentions to adopt NFC proximity mobile payment services (p-mps). An extended version of the Unified Theory of Acceptance and Use of Technology (UTAUT), a model that incorporates the most relevant theoretical approaches in the adoption literature was selected to investigate...

The purpose of this paper is to investigate consumers’ attitudes and behavioural intentions towards corporate social responsibility (CSR) practices in the airline industry by exploring the role of consumers’ perceived values and expectations towards CSR initiatives in the airline industry. Data collected from airline industry customers, were used t...

Purpose The purpose of this paper is to investigate which of four well-established theoretical models (i.e. technology acceptance model, theory of planned behavior, unified theory of acceptance and use of technology, decomposed theory of planned behavior (DTPB)) best explains potential users’ behavioral intentions to adopt mobile banking (MB) servi...

Purpose The purpose of this study is to develop and empirically test a lovemark measure that can be used to identify how brands of wireless-enabled computing devices are classified based on customers’ respect and love toward them. Design/methodology/approach On evidence drawn from 1,016 consumers of wireless-enabled computing devices (e.g. netbo...

The purpose of this paper is to develop and test a multi-level model on the antecedents of customer loyalty using empirical data from the UAE mobile telecommunication sector. The authors attempt to investigate the simultaneous effect of perceived service quality, perceived value, customer satisfaction and trust on customer loyalty. The research use...

Purpose The purpose of this paper is to identify the factors influencing the adoption of mobile self-service retail banking technologies, and the degree of influence of each factors leading their usage. Having mobile banking (MB) as the reference service and drawing on previous studies in the field, an extended Unified Theory of Acceptance and Use...

The current research was designed to further comprehend the nature of the relationship between small and medium-sized sponsoring enterprises and their affiliated sport organizations. In order to achieve this purpose, the research has involved some of the major sponsors of Italian rugby teams that participate in the Championship that has limited med...

Research on service innovation suggests that involving customers in new service development (NSD) is a major contributing factor to new service success. The objectives of this paper is to provide an overview of the literature regarding the involvement of customers in the development of new services and to offer guidelines for future research. Resul...

Purpose In emerging devices (smartphones, tablets, and notebooks) markets, increasing brand loyalty is critical for suppliers. Generation Y (Gen Y) is the first global target group and the best customer segment for emerging devices. The purpose of this paper is to propose a conceptual framework that assesses the brand value of emerging devices as p...

The successful diffusion of broadband services has substantially contributed to economic growth in the last decade. Broadband markets are now in the maturity phase and therefore, competition for customers is intense. However, while companies invest heavily on customer acquisition, there are few efforts for customer retention through the development...

The purpose of this study was to examine the relationships between service evaluation, corporate image, switching barriers, and customers’ intentional loyalty. The proposed model was tested and valuated in the mobile services context. A field survey was conducted using a structured questionnaire about the investigated concepts. To test the proposed...

Purpose In contrast to the reflective approach of service quality measurement, this paper aims to propose and validate a parsimonious multidimensional second-order formatively measured model of service quality for primary health-care services provided by hospital outpatient departments. The index’s empirical validity is examined by investigating t...

Customer projects are major do-it-yourself (DIY) undertakings, involving a considerable amount of planning, money, and effort. Examples of customer projects include installing a paver patio, tiling kitchen walls, building a backyard football toss, and renovating the bathroom. Such projects require several cross-category purchases through multiple s...

Purpose Given its importance in the brand management of service firms, the present research initiative primarily concerns the investigation of the formation process of consumer-brand relationships in the service industry. By considering a chain of effects’ model, this paper aims to integrate two brand commitment paradigm’s perspectives with service...

Although consumer behaviour patterns have become very important in retailing, consumer-driven research is still limited in this area. The purpose of this paper is to empirically test the effects of perceived value; satisfaction, and trust on customer loyalty in fast fashion retailing and to investigate the stability of these effects across differen...

The objective of this study is to propose a conceptual model that considers separately the cognitive and affective aspects of brand relationship quality in online services and investigate their mediation effects on the link between brand evidence (e-service quality; brand value, and self-image congruence) and brand loyalty. To test the proposed mod...

Investigating online customer behavior is crucial for marketers in their efforts to improve brand performance and achieve better acquisition and retention rates. Since brands today operate as relational tools that support the development of relationships between customers and brands, they are expected to play a significant role in gaining customers...

1. PURPOSE The involvement of customers in the development of new services is an issue that has attracted the attention of researchers during the last 15 years. The purpose of this study is to analyse all studies on customer involvement (CI) in new service development (NSD) with an aim to identify the concepts investigated; major themes addressed,...

The Role of Corporate Image and Switching Barriers in the Service Evaluation Process: Evidence from the Mobile Telecommunications Industry Abstract Purpose – The purpose of this paper is to extend the service evaluation process modelling framework by integrating corporate image and switching barriers and examining their roles as they all affect beh...

The current study proposes the combination of two well-established theoretical streams of the relationship commitment paradigm: the relationship investment model and the commitment-trust theory to explain brand loyalty of technology-mediated self-services users. Data were collected from a survey of 573 customers of mobile internet service providers...

Perceived quality of primary healthcare services and patient satisfaction are concepts that are increasingly important because of their impact on healthcare results and providers operational expenses' management. Though there is growing evidence that the relationship between service performance and satisfaction is asymmetric, there are no studies i...

The development of successful long-term relationships with customers is considered to be a sustainable competitive advantage and the enhancement of relationship quality (RQ) is a very important issue for firms today, especially in services. The purpose of this study is to test the effect of respect and rapport on RQ and customer loyalty (CL) in hig...

Purpose – The purpose of this paper is to extend the well-established nomological network of service quality-relationship quality-customer loyalty by introducing service fairness – a distinct service evaluation concept. Specifically, the study aims to investigate the impact of service fairness on relationship quality as a complementary to service q...

The role of the internet and digital technology in marketing strategy are themes deserving further research (Celuch & Murphy, 2010; Day, 2011). Social media are used for promotional reasons (Nevin & Torres, 2012); for enhancing relationships with customers (Saperstein & Hastings, 2010; Wright, 2010) and for new service development (NSD) through int...

This study looks at the marketing strategies used by fast-moving consumer goods (FMCG) firms in developing brand extensions and determines which of these strategies may lead to extension success. First, a qualitative study was done involving in-depth interviews with brand or marketing managers in 12 FMCG firms regarding the development of 19 extens...

The aim of this paper is to investigate the antecedents of three manifestations of brand loyalty, repurchase intentions; positive recommendations, and price tolerance, for high tech services, such as fixed broadband internet services. Using the relationship commitment theory as theoretical background, the study proposes and empirically tests a mode...

Primary health care services delivery and its effects on patient satisfaction are very important for healthcare managers as it affects healthcare results and organizations operational expenses' management. Patient satisfaction is typically view it as a multidimensional construct. The purpose of this study is to exploit the theoretical frameworks of...

Abstract: Purpose: The purpose of this study is to examine the impact of the antecedents of female students’ intention to start a business by extending the Theory of Planned Behavior with their individual experience and knowledge about entrepreneurship. Design/Methodology: A survey was conducted among female students of Technological Education Inst...

This study develops and tests a model to investigate the antecedents of customer loyalty of fixed broadband service providers in Greece. The model considers four drivers – perceived functional and technical aspects of service quality, emotional satisfaction and corporate image – that are positively related to each other and positively affect custom...

Purpose – The purpose of this paper is to implement a multi-criteria preference disaggregation approach to measure logistics service quality (LSQ) of manufacturing companies’ supply chains. Design/methodology/approach – A total 216 Greek manufacturing companies took part in a survey with the use of a dedicated questionnaire. They were asked to ass...

In today's highly competitive environment, the survival/prosperity of e-tailers depends on their ability to provide excellent services to their customers establish successful relationships with them and gain their loyalty. This study empirically tests a model of the determinants of customer loyalty in an e-tailing context. More specifically, e-serv...

Physical distribution service quality is considered as a source of competitive advantage for manufacturers, since it can be viewed as a differentiation factor in the way they are perceived by retailers. Nevertheless, there is neither consensus about its dimensions, nor on how they are related to retailers’ behavioral intentions. The aim of this pap...

This study aims at identifying the main dimensions of logistics service quality (LSQ) and analysing their effects on satisfaction and loyalty in B2B settings. For this purpose an integrative structural model of logistics service performance impact on satisfaction and loyalty is proposed and tested in a self-built logistics setting. On evidence draw...

The purpose of this study is to examine the role gender plays in the formation of Entrepreneurial Intention (EI) and its effect on Personal Attraction to Entrepreneurship and to Perceived Behavioral Control, in a sample of Greek university students. This is the first study of its kind in a Greek university context and it illuminates the way the nat...

Logistics services quality (LSQ) is currently considered as a differentiation factor enhancing companies’ competitive advantage. Nevertheless, there is neither consensus about its dimensions, or on how they affect customer satisfaction and loyalty in the business relations context. The present paper aims at identifying the main dimensions of logist...

Purpose – This paper presents an extended technology acceptance model (TAM) with concepts from the innovation diffusion theory (IDT) and customers’ perceived risk, aiming to examine the factors affecting Greek customers’ intentions to adopt internet banking services. Furthermore, several individual differences are examined, with respect to their im...

The out-of-shelf problem is among the most important retail problems. An alerting mechanism that would suggest which products the store manager should consider in order to avoid out-of-shelf instances is considered to be of great value. In trying to encounter this problem, we considered the prevention of out-of-shelf as a classification problem. By...

Aims To estimate the prevalence of eating disorders (EDs) and associated risk factors in a sample of undergraduate students. Methods This is a cross-sectional study. We used a questionnaire consisting of the following sections: demographics, SCOFF questionnaire for screening EDs, the Achievement Anxiety Test (AAT) and the Depression, Anxiety and S...

This study develops and validates a model to predict internet users' intentions to buy online, based on an extended technology acceptance model (TAM). We proposed that in addition to technology's ease-of-use and usefulness, compatibility with technology, and perceived risk are considered as determinants of customers' attitude and intentions toward...

Background: An important factor for the success of decentralization of health care is the provision high quality services at the regional level. The basic indicator for the level of quality of health services is the consensus of patients about the services provided, known as patient satisfaction. Health care organizations must deal with the dilemma...

Technological change is a dynamic and multidimensional phenomenon involving substitution and diffusion of technologies. In this process new technologies are entered into the market while the old ones are displaced. Various models have been constructed to explore the principles of technology substitutions. In general there are two approaches in tack...

This paper provides a survey on studies that analyze the macroeconomic effects of intellectual property rights (IPR). The first part of this paper introduces different patent policy instruments and reviews their effects on R&D and economic growth. This part also discusses the distortionary effects and distributional consequences of IPR protection a...

In this article, a stochastic innovation diffusion model is proposed, derived from the original logistic growth model assuming that the future remaining growth of the underlying process is not known with certainty but is modeled using an appropriate stochastic process. At any time, the potential adopters of a product are affected by a number of soc...

In this paper a stochastic innovation diffusion model is proposed derived by introducing stochasticity into the well-known Bass model. The stochastic model is solved analytically by using the theory of reducible stochastic differential equations and the first moment of the resulting stochastic process is presented. The parameter estimators of the m...

We present a method for the solution of multiplicative autonomous SDE’s with general binomial drift coefficient. This method is based on the reduction of the proposed nonlinear stochastic differential equation to a linear SDE by using an appropriate transformation. Furthermore we find the solution of the logistic stochastic model which is a special...