Our study aims to analyze factors determining the green brand equity (GBE) based on a systematic literature review (SLR) according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) statement. We posed 3 research questions and searched five databases (Scopus, Web of Sciences, Google Scholar, EBSCO, and Elsevier) for studies containing the term ‘green brand equity’ and the combination of two terms: ‘brand equity’ and ‘green’. Additionally, the backward and forward snowballing methods were applied. In our SLR, we included empirical studies published between 2006 and 2021 as peer-reviewed papers in English. Exclusion criteria included studies with theoretical models, studies describing brand equity not related to GBE, Ph.D. thesis, short reports, workshop papers, practice guidelines, book chapters, reviews, and conference publications. Finally, 33 articles were analyzed as part of the SLR in two fields: general information (authorship, year of publication, type of study, research country or location, sample size, and product categories), and research specifications (factors or variables, number and type of hypotheses, scale or measurement items, type of statistical analysis, and selected indicators of statistical methods). Image, trust, value, satisfaction, and loyalty appeared to be the most studied determinants of GBE. Less frequently analyzed were quality, awareness, attributes, particular promotional activities, and the fact of purchase. The results obtained are important in practical terms, showing what to consider when creating GBE in different categories of products and services.

Nearly 20 years after the SARS (Severe Acute Respiratory Syndrome) epidemic, we are facing another COVID-19 pandemic. Therefore, the aim of our study was to analyse the impact of the COVID-19 pandemic on the tourism behaviour of international students in Poland. We paid attention to the overall impact of the pandemic on life, travel, choice of tourist destination, tourism activity, ecotourism preference, and health and safety issues. We formulated two research questions: What areas of international student tourism behaviour were affected by the COVID-19 pandemic? What differences in travel behaviour occurred between international students from Europe and Asia? Participants were recruited from universities located in Warsaw between June and September 2020. A total of 806 questionnaires were collected, 87 of which were eliminated due to non-response. The research sample consisted of 719 people. Six factors were identified in the survey results: tourism inclination, impact on tourist destination, hygiene and accommodation, impact on life, impact on tourism, and mode of tourism. Impact on life and impact on tourism were attributed to the general impact dimension; tourism inclination and mode of tourism can be summarized as attitude and preference. Food and accommodation were assigned to hygiene and safety dimensions. In almost all aspects, the impact of the COVID-19 pandemic on people’s lives was greater for Asian respondents. Asian respondents were more likely to say that they would avoid COVID-19-affected areas when choosing tourist destinations in the future, and avoid travelling to crowded large cities after COVID-19 ended. European survey participants’ responses were more moderate.

Population Based Algorithms (PBAs) are excellent search tools that allow searching space of parameters defined by problems under consideration. They are especially useful when it is difficult to define a differentiable evaluation criterion. This applies, for example, to problems that are a combination of continuous and discrete (combinatorial) problems. In such problems, it is often necessary to select a certain structure of the solution (e.g. a neural network or other systems with a structure usually selected by the trial and error method) and to determine the parameters of such structure. As PBAs have great application possibilities, the aim is to develop more and more effective search formulas used in them. An interesting approach is to use multiple populations and process them with separate PBAs (in a different way). In this paper, we propose a new multi-population-based algorithm with: (a) subpopulation evaluation and (b) replacement of the associated PBAs subpopulation formulas used for their processing. In the simulations, we used a set of typical CEC2013 benchmark functions. The obtained results confirm the validity of the proposed concept.

This is an empirical study that is based on the results of questionnaire research on ecological behaviour and consumer choices shown by generation Z and their attitudes towards pro-ecological practices implemented as part of ecological policies in accommodation businesses. At the same time, an attempt was made to find out whether the implemented ideas could encourage this generation to choose places offering practices friendly to the environment and thus be a source of competitive advantage of such locations. The description of the results was preceded by an overview of past research on the issue and theoretical background on sustainable consumption. An analysis of the results showed that Generation Z in most cases tried to limit their negative impact on the environment as well as trying to apply ecological guidelines in practice. Generation Z support pro-ecological behaviour on a daily basis, however, this is mainly true when it comes to behaviour bringing financial or health-related benefits. The young approve of most pro-ecological practices in the accommodation industry but they differ in preferences and in exchange for their support, they expect financial rewards. In conclusion, this generation rates more highly accommodation facilities implementing pro-ecological practices and this translates into a greater willingness to stay at such places.

Coraz ważniejszą grupą, mającą rosnące znaczenie dla konsumpcji turystycznej, są osoby młode. W prezentowanym artykule autorzy skoncentrowali się na charakterystyce i analizie specyfiki konsumentów pokolenia Y w wieku poniżej 30. roku życia. Zaprezentowane zostały wyniki badania ankietowego, które zostało przeprowadzone wśród studentów. Weryfikacji poddano hipotezy mówiące o dużym znaczeniu Internetu zarówno w procesie planowania wyjazdu, jak i przy dzieleniu się wrażeniami z pobytu. Drugą istotną kwestią, na którą wskazały otrzymane wyniki, jest relatywnie duże znaczenie komfortu podczas wyjazdu. Jednocześnie jednak jawi się potrzeba kontynuacji badań, zwłaszcza mających na celu porównanie wybranych zachowań z innymi grupami wiekowymi.

Objective: The main aims of the thesis were to compare entrepreneurial behaviour trends in a group of Polish and foreign students and an attempt to define the determinants of such behaviours.Research Design & Methods: Research was conducted using a questionnaire. Descriptive statistics methods were also used.Findings: The undertaken research shows the diversity of entrepreneurial behaviours among both Polish and foreign students surveyed. Foreign students participating in the study showed a greater propensity to take risks and greater flexibility in their business plans, which may be indicative of greater skills and ability in adapting to the requirements of the labor market.Contribution & Value Added: In the light of the undertaken research, it can be assumed that the state of the education system may account for one of the most important factors in facilitating change of the growing labor supply into benefits in the form of economic recovery and the creation of employment opportunities.