The issue of investigating the influence of recommendations on purchasing decisions is part of the current research direction undertaken within various social disciplines. Moreover, it is also an important area discussed in marketing research. The aim of the study is to indicate the links in the literature between the concepts of recommendation and purchase. An attempt is also made to identify the main areas of research in this area and to classify recommendation in terms by type of sender. A bibliometric analysis was carried out to bring order to the literature's considerations to date. The adopted research approach is applicable when there are numerous publications in a selected field. It was decided to identify the links between the terms recommendation and purchase in the scientific literature. For this purpose, the resources of the Scopus and Web of Science databases were used. Based on the results obtained, answers to the research questions were formulated. VOSviewer software was also used, which made it possible to link essential terms from the scientific works and indicate the main research areas in purchase recommendations.

Nowadays, striving for practical implementation of the sustainable development concept more and more often determines the directions of market institutions' activities and, above all, the innovations they implement. These organisations pay special attention not only to the optimisation of production and distribution processes, but also to the functionality and efficiency of the buildings in which their offices or shops are located. It is worth pointing out that buildings can fulfil the triple bottom line concept — contributing to achieving economic, social and environmental goals by market institutions. A modern organisation, when building its factory or office buildings, should pay attention not only to the visual attractiveness of the building, but also to its functionality, low maintenance costs, social usefulness and minimising negative impact on the natural environment. The main aim of the article is to present the features that meet the requirements of sustainable development on the example of The Crystal building and to indicate the market benefits resulting from the use of this type of solutions. Particular attention was paid to economic, social and environmental profits. As part of the analysis, the case study method was used, based on the use of secondary data. Based on the considerations, it was found that The Crystal building is distinguished not only by its visually unique design, but also it is an integral part of its surroundings. It can serve as an inspiration for market institutions that strive to deliver more sustainable products.

The presented study draws attention to the participation in the culture of people with disabilities. In the theoretical part, authors discuss the functionalities of beacons, which might be a useful tool in market communication of equal opportunities. The key goal of the article is to examine the role of beacons in market communication of equal opportunities with a disabled culture recipient. For the purposes of the undertaken research, a hypothesis was put forward that beacons support the process of market communication of equal opportunities with a disabled culture recipient. To verify the adopted hypothesis, authors carried in-depth interviews out in selected institutions using the discussed solution. Participants of the interviews represent the environment of cultural institutions or undertake selected cultural initiatives. In the presented study attended representatives of the following institutions: Museum of King Jan III's Palace in Wilanów, Town and Commune Office in Olkusz (Gwarków Trail), Polish Aviation Museum in Krakow, Silesian Uprising Museum in Świętochłowice and TAURON Arena in Krakow. During the research, it was also attempted to determine to what extent beacon functions are being used in marketing activities carried out for the benefit of disabled people by entities participating in interviews. Based on the research conducted, it was found that wider use of solutions based on the functionality of beacons can be achieved as a result of their adaptation to selected groups with particular dysfunctions.