Vaggelis Saprikis

• PhD in e-Business
• Professor (Associate) at University of Western Macedonia

Climate change is one of the most vital issues humanity should deal with. Several natural disaster phenomena are greatly based on climate change. Awareness-raising towards its severity is a key goal in every aspect of our daily life; including education. The scope of this empirical study is to analyze university students’ engagement perceptions aft...

New technologies and social media significantly impact on the communication between government and citizens. This study examines the factors that affect the adoption of new technologies with an emphasis on block chain and of social media in Greek public administration. A mixed research approach with both qualitative and quantitative methods was emp...

The role of social media has undoubtedly increased in recent years, both in terms of its use in advertising and digital marketing, influencing consumers to their choices and shaping their buying behavior in many cases. Therefore, it is essential to study their influence on consumer behavior by investigating the factors affecting it. Hence, based on...

This study investigates the acceptance of blockchain technology in the tourism industry, focusing on the role of intention and trust in influencing its acceptance. Through a literature review and quantitative analysis using regression analysis, key factors catalyzing the acceptance of blockchain technology in tourism were identified. Notably, indiv...

In recent years, new technologies and the expanded use of social media have radically changed the way people interact with organizations. New technologies and social media can change the communication between Government and citizens as they decisively contribute to the transformation of public administration towards a new and open model of citizen-...

Artificial intelligence agents (chatbots), which are programs to communicate with users primarily in customer service contexts, are an alternative interaction channel supporting businesses in the digital environment and vital components in customer service. The present empirical paper, which is aimed at identifying and discussing the factors motiva...

Climate change is a substantial threat. Awareness-raising and education are key goals. Social media provide an opportune context for the delivery of science education content. However, little research has examined which video features elicit engagement on climate change. This project focused on YouTube and aimed to identify the most predictive fact...

Public sector worldwide faces the challenge to contribute in the public value creation. To accomplish that, public administration forced to adopt new technologies, tools and practices in order to improve social and economic welfare. The present research discusses some of the most significant reforms related to the public administration worldwide, f...

Technological advances have considerably contributed to creating effective communication between businesses and customers. Based on Artificial Intelligence (AI), chatbots, which are text- or voice-based virtual assistants, promote customer interaction and service at any time, and are particularly popular among young people, who constantly use smart...

Public sector worldwide faces the challenge to contribute in the public value creation. To accomplish that, public administration forced to adopt new technologies, tools and practices in order to improve social and economic welfare. The present research discusses some of the most significant reforms related to the public administration worldwide, f...

Technological advances have considerably contributed to creating effective communication between businesses and customers. Based on Artificial Intelligence (AI), chatbots, which are text-or voice-based virtual assistants, promote customer interaction and service at any time, and are particularly popular among young people, who constantly use smartp...

Technological advances have considerably contributed to creating effective communication between businesses and customers. Based on Artificial Intelligence (AI), chatbots, which are text-or voice-based virtual assistants, promote customer interaction and service at any time, and are particularly popular among young people, who constantly use smartp...

Last years, gamification is applied more and more on various fields the vast majority of them via mobile apps and smartphones; and has become a relative standpoint of any UI/UX design. It is an innovative business model that focuses on applying game mechanics to non-game contexts aiming at transforming activities, services and products to afford ga...

COVID-19 pandemic crisis has brought extraordinary changes to almost all human activities. This unfamiliar situation has affected, among others, the working conditions, under which employees should keep doing their job while protecting themselves and preventing the coronavirus from spreading. As a result, working from home has been considered as a...

Purpose Despite the fact that chatbots have been largely adopted for the last few years, a comprehensive literature review research focusing on the intention of individuals to adopt chatbots is rather scarce. In this respect, the present paper attempts a literature review investigation of empirical studies focused on the specific issue in nine scie...

Mobile banking apps (mBA) are considered vital tools for banks’ digital transformation as they offer self-service options for most of their provided services to their customers via mobile devices. However, only a small proportion of retail customers utilize them. The limited relevant literature focuses only on individuals’ behavioral intention to a...

The banking sector has been considered as one of the primary adopters of Information and Communications Technologies. Especially during the last years, they have invested a lot into the digital transformation of their business process. Concerning their retail customers, banks realized very early the great potential abilities to provide value added...

In the last few years, a number of social media e-business models including the social networking giants of Facebook, Pinterest and Instagram have offered direct purchase abilities to both their users and the involved enterprises. Hence, individuals can buy directly without having to leave the social media website. At the same time, there is a sign...

The continuous advancement of the mobile technology industry and the wide acceptance of mobile devices worldwide have provided great prospects to customers regarding their monetary transactions. As a result, numerous individuals use their mobile devices, mainly their smartphone; to pay online and even more are expected to take advantage of the mobi...

Mobile Social Commerce (MSC) is the present and the future of e-commerce; and a growing topic of research interest. However, despite its numerous current abilities and its prosperous future prospects there has been slightly investigated so far. In order to fill this research gap, this empirical study aims to model and examine the factors that impac...

Social Networking Sites (SNSs) have greatly changed e-commerce by creating a new dimension in online buying and selling procedures, as e-shops use them to communicate with consumers, strengthening brand awareness and brand loyalty. In this paper, we investigate the characteristics of posts that increase engagement in e-shop brands' pages on Faceboo...

The increasing popularity and great use of smartphones along with the utilization of mobile apps provided have greatly altered the vast majority of industry sectors. Over the last years companies have continuously tried to transform their business processes with the aim to offer to their current and potential customers a wide range of their service...

The use of Internet technology has changed the way people interact rendering face-to face and verbal communication a trend of the past. Thus, a new world has been created for young people, who send emails, visit websites, use webcams, chat rooms and instant messaging through social media for communication. As a result, a new type of bullying, cyber...

Augmented Reality (AR) technology adoption has been growing worldwide in recent years. The potential of AR to blend digital information into the physical world has been a challenge for both academia and industry, who attempt to realize and anticipate its impact on users' perceptions, adoption intention and use. The present paper is an empirical stu...

Contemporary commerce is completely different as regards features some years ago. Nowadays, a considerable number of individuals and firms take advantage of the information and communication technologies and conduct transactions online. In particular, the mobile industry along with the broad use of social networks and improvements in the internet b...

Mobile payment technologies have led the development of an open and collaborative payment ecosystem, where financial institutions and merchants have provided innovative solutions to conduct business with consumers. One of these new evolving payment alternatives is contactless card that incorporates Near Field Communication technology, enabling cons...

Augmented Reality (AR) technology adoption has been growing worldwide in recent years. The potential of AR to blend digital information into the physical world has been a challenge for both academia and industry, who attempt to realize and anticipate its impact on users’ perceptions, adoption intention and use. The present paper is an empirical stu...

The use of Internet technology has changed the way people interact rendering face-to face and verbal communication a trend of the past. Thus, a new world has been created for young people, who send emails, visit websites, use webcams, chat rooms and instant messaging through social media for communication. As a result, a new type of bullying, cyber...

The concept of ''Gamification" has become more and more popular. It is an innovative business model that focuses on applying game mechanics to non-game contexts in order to engage audiences and inject a little fun into daily activities; besides generating motivational, social, emotional and cognitive benefits. Developing positive social relationshi...

Nowadays Augmented Reality (AR) is gradually adopted by even more individuals. Its ability to project various forms of digital information on the real world has created great prospects to stakeholders, especially to the mobile industry, and numerous smartphone users take advantage of AR features provided on mobile applications. Thus, academic commu...

Contemporary education has been greatly influenced by the advancements of Information and Communication Technologies (ICTs). The provided ICT solutions enhance learning environments and offer teachers numerous opportunities. However, although ICT can enhance education quality, there are several factors that impact on the ICT adaptation into the edu...

Social networking sites (SNSs) constitute a crucial topic of debate concerning the effect on business and society. The reasons for use and the time people spend on them have also been a topic that has been highly researched and discussed as several social, psychological, educational, and ethical issues arise due to the propagation of social media a...

The ability of Augmented Reality (AR) to blend digital information into the physical world has enhanced its vast range of applications potential. It has, thus, increased the number of smartphone AR users and challenged researchers and a number of industries to try to understand and anticipate its impact on people's perceptions, adoption intention a...

ICT (Information and Communication Technology) has greatly changed contemporary education. The ICT solutions offered enrich learning environments and provide teachers with numerous opportunities. However, even though ICT can enhance education quality, there are many teachers who are unwilling to adjust to the changes brought about by ICT. One of th...

Augmented Reality (AR) is fact. Its ability to project digital information οn the physical world has created favorable prospects to stakeholders and encouraged a considerable number of smartphone users nowadays to take advantage of the AR features of mobile apps. Academia and the industry have eagerly tried to understand and anticipate how AR affec...

The rapid evolution of technology is a preferred method of interacting. A new world was created for young people who are sending emails, visiting websites, using webcams and chat rooms, and instant messaging through social media. In the past years, people used face-to-face communication though, in recent years, people are using internet technology...

Economic crisis and bailout period have greatly changed almost every single aspect of the country. Greeks were violently forced to alter their daily habits. Regarding their payment practices, capital controls and cash withdrawal limits have forced them to cashless financial transactions. Thus, the purpose of this research paper is to investigate in...

Contemporary commerce is completely different as regards features some years ago. Nowadays, a considerable number of individuals and firms take advantage of the Information and Communication Technologies and conduct transactions online. In particular, the mobile industry along with the broad use of social networks and improvements in the Internet b...

Attitudes towards online advertisements has been an important topic of research for academics and practitioners, especially in Social Networking Sites (SNSs). In this paper we examine the effect that YouTube advertisements have in consumers’ behavior. Using a structured questionnaire and a sample of 224 respondents, we explore the ways consumers pe...

Social Networking Sites and social media have become a major part of today's organizations marketing mix, and YouTube is considered to be one of the most important channels of communication with customers. In this paper we examine the ways that consumers use YouTube and how it affects their buying behaviour. Using a structured questionnaire and a s...

Nowadays, a considerable number of individuals take advantage of the social networking capabilities to purchase online. Therefore, social commerce has created prosperous prospects to both Social Networking Sites (SNS) and involved firms. Academia and the industry eagerly try to understand and anticipate how social networking tools impact on individ...

With the introduction of Near Field Communication (NFC) technology, the monetary face-to-face transactions that take place by cards can be done easier, more convenient and much faster. The world's largest companies in financial services, such as Visa and MasterCard, as well as the financial institutions (banks) that issue cards greatly integrate th...

Mobile commerce (m-commerce) is a fact. Nowadays, numerous transactions take place via mobile devices. At the same time, m-commerce is considered as one of the fastest growing subgroups of e-commerce. Characteristically, it is estimated that about 45% of mobile users have made at least one purchase via a wireless hand-held device. Therefore, it pla...

Social commerce creates a range of tremendous opportunities and new revenue streams for businesses worldwide across all industry sectors. To keep up with this pace, companies increasingly want to understand the behavioral attitude of social networking site (SNS) users. This article examines SNS users' reaction towards different parameters that woul...

It goes without saying that the advances of Information and Communication Technologies have brought many changes in various forms of traditional commerce including gambling industry. Nowadays, e-gambling has dramatically changed the way of wagering and is considered as one of the fastest growing sectors of contemporary e-commerce. Every day even mo...

Mobile Technology is creating a range of tremendous opportunities and new revenue streams for businesses across industry sectors through the delivery of chargeable mobile products and services via the deployment of innovative value-added solutions that exploit the commercial benefits of mobility. To keep up with the pace of change, companies increa...

It goes without saying that the advances of Information and Communication Technologies have brought many changes in various forms of traditional commerce including gambling industry. Nowadays, e-gambling has dramatically changed the way of wagering and is considered as one of the fastest growing sectors of contemporary e-commerce. Every day even mo...

Mobile shopping (m-shopping) has become extremely signifi cant for both marketing and retail selling. Despite the fact that m-shopping has evolved into a popular alternative approach for purchasing products and services worldwide, the research regarding the extent of its adoption is still on a mediocre level and in certain countries, such as Greece,...

This chapter presents a review of literature concerning behavioral intention theory and research models, focusing on the factors driving consumer adoption intention of mobile services. Based on this theoretical background a conceptual framework that combines perceived ease of use, perceived usefulness, innovativeness, trust, demographic characteris...

E-gambling has dramatically changed the way of wagering and nowadays even more individuals are moving from the terrestrial to online gambling venues. At the same time, it is considered as one of the fastest growing sectors of e-commerce. Characteristically, the global internet gambling gross market is expected to exceed US $43 billion by 2015. As a...

This chapter presents a review of literature concerning behavioral intention theory and research models, focusing on the factors driving consumer adoption intention of mobile services. Based on this theoretical background a conceptual framework that combines perceived ease of use, perceived usefulness, innovativeness, trust, demographic characteris...

Nowadays, the broad Internet utilization and the advancement of Information and Communication Technologies (ICT) have greatly changed the way goods and services are bought and sold. As a consequence, even more online users prefer not only to shop online, but also purchase abroad taking advantage of Internet's limitless feature. Thus, technology's s...

E-gambling is nowadays one of the fastest growing sectors of e-commerce. Every day even more individuals are moving from terrestrial to online gambling venues and wagering through numerous playing options. Consequently, the dynamics of this e-commerce activity has forced various researchers and practitioners to investigate e-gambling area from diff...

The advancement of Information and Communication Technologies (ICT), along with broad Internet utilization, has greatly changed the way goods and services are bought and sold. Therefore, nowadays, even more consumers prefer to shop online taking advantage of the fast and less costly communication, as well as the access to a much wider variety of ch...

The advancement of Information and Communication Technologies (ICT), along with broad Internet utilization, has greatly changed the way goods and services are bought and sold. Therefore, nowadays, even more consumers prefer to shop online taking advantage of the fast and less costly communication, as well as the access to a much wider variety of ch...

Social Networking Sites (SNS) have dramatically changed our daily lives and even more individuals spend many hours every day utilize them. Their global reach and the opportunity for personalization have also captured the attention of firms, as they create enterprising opportunities for both e-business and traditional companies. For advertisers and...

Reverse e-auctions are increasingly being used as an alternative business-to-business e-procurement model to exchange products and services among enterprises. Despite their high interest from the academic community, there has been limited empirical study focusing on their post-adoption stage. Based on extant literature dealing with their e-business...

The broad Internet utilization along with the systematic progress of Information and Communication Technologies have dramatically changed the way goods are bought and sold. Nowadays, even more Internet users prefer to shop online than visiting a brick-and-mortal store. Thus, understanding who are the ones consuming and why they choose to use or avo...

This study presents a conceptual model that combines perceived ease of use, perceived usefulness, innovativeness, trust, demographic characteristics and relationship drivers in order to examine their influence on the mobile services’ adoption intention. The proposed model is empirically tested using data collected from a survey with questionnaires...

The success of mobile services adoption hinges on their ability to cover user needs and attract consumer interest. The extant literature focuses on understanding the factors that might affect consumers’ actual adoption of such services through their effect on behavioral intention; these studies are mostly based on behavioral intention theories, suc...

Purpose – The purpose of this paper is to investigate the influence of various factors on suppliers' level of use of business‐to‐business (B2B) e‐marketplaces by examining three basic variable domains; suppliers' internal environment, their external environment and the characteristics of the adopted B2B e‐marketplace. Design/methodology/approach –...

Despite the high interest from many researchers on B2B e-marketplaces, there has been a limited empirical investigation on their post-adoption stage. Based on literature dealing with their e-business model and building on emerging concepts in B2B e-commerce, this paper aims at assessing the influence of various factors on firms’ level of use of B2B...

This study presents a conceptual framework that combines perceived ease of use, perceived usefulness, innovativeness and trust in order to examine their influence on the mobile services' adoption intention in the Greek environment. The proposed conceptual framework is empirically tested using data collected from a survey with questionnaires address...

This study presents a conceptual model that combines perceived ease of use, perceived usefulness, innovativeness, trust, demographic characteristics and relationship drivers in order to examine their influence on the mobile services’ adoption intention. The proposed model is empirically tested using data collected from a survey with questionnaires...

Business-to-business (B2B) electronic marketplaces (e-marketplaces) are characterized as the third wave of B2B e-commerce evolution and are gradually accepted by even more firms for satisfying their business needs. Specifically, they provide electronically value added communication, brokerage and integration services to both buyers and suppliers in...

This study presents a conceptual framework that combines perceived ease of use, perceived usefulness, innovativeness and trust in order to examine their influence on the mobile services’ adoption intention in the Greek environment. A survey is conducted and the methodologies applied include factor analysis and stepwise regression analysis. The fin...

Business-to-business (B2B) electronic marketplaces (e-marketplaces) are characterized as the third wave of B2B e-commerce evolution and are gradually accepted by even more firms for satisfying their business needs. Specifically, they provide electronically value added communication, brokerage and integration services to both buyers and suppliers in...

This study presents a conceptual model that combines perceived ease of use, perceived usefulness, familiarity, adoption intention and the actual consumers' adoption in order to predict user mobile transaction acceptance regarding mobile buying products and making reservations. The proposed model is empirically tested using data collected from a sur...

This study presents a conceptual model that combines perceived ease of use, perceived usefulness, familiarity, adoption intention and the actual consumers’ adoption in order to predict user mobile transaction acceptance regarding mobile buying products and making reservations. The proposed model is empirically tested using data collected from a sur...

The sharp increase of Internet usage, as well as, the systematic progress of Information Technology have transformed the way goods are bought and sold, resulting to the exponential growth in the number of online shoppers. However, a lot of differences regarding online purchases have been revealed due to the various consumers’ characteristics and th...

The systematic progress of Information Technology, the sharp increase of Internet usage and the rise of personal computer ownership have transferred many consumers from traditional to online stores. The scope of this paper is to examine the perceptions of Greek university students’ adopters and non-adopters of online shopping in terms of demographi...

Internet auctions are described as virtual marketplaces relying on Internet services, such as the World Wide Web and Internet protocols to conduct auctions. Some of their inherent advantages are their access to a larger pool of potential suppliers and buyers, the removal of both time and space constraints, the increase of information availability a...

Business‐to‐business (B2B) electronic marketplaces(e‐marketplaces) provide electronically value added communication, brokerage and integration services to buyers and suppliers in specific horizontal or vertical markets by supporting basic market functions, meeting management needs for information and process support. The purpose of this article is...

B2B e-marketplaces provide electronically value added communication, brokerage and integration services to buyers and suppliers in specific horizontal or vertical markets by supporting basic market functions, meeting management needs for information and process support. The purpose of this paper is to provide a contingent typology framework regardi...