This paper aims to highlight the importance of defining the dimensions of service quality and their impact on the satisfaction and loyalty of users of banking services in the banking sector of the Republic of Croatia. The study focuses on service quality parameters and customer satisfaction. The paper aims to examine discrepancies between expected and perceived attributes of banking services (Servqual model) on a sample of 130 respondents from the Republic of Croatia. Special objectives include examining the differences in the expression of scores on the dimensions of the expected and observed ABS scales in relation to the socio-demographic variables in the research (gender, age, professional education…etc). Based on the empirical study, it can be concluded that all service quality parameters play a vital role in customer satisfaction. The research results indicate that all five key dimensions of Servqual – tangibility, reliability, accountability, security, and empathy, are significantly and positively related to the overall Servqual perceived by users.

The word rehabilitation is of Latin origin (sanacio) and means treatment, from the point of view of the economy of the company, rehabilitation means economic and technical-organizational measures that should contribute to the recovery of the company, in the sense of making it liquid and profitable again. A company is considered sick if, in the long run, it is unable to meet its obligations and operates at a loss. The causes of the disease can be external and internal. Financial difficulties, manifested in illiquidity and unprofitability, cause the need for rehabilitation. Initiation of remediation presupposes remediation eligibility, which exists if permanent recovery of the company is possible. Determining the suitability of rehabilitation involves examination and selection of measures, the implementation of which ensures the permanent recovery of the company, in the sense of re-establishing the financial balance and returning to the profit zone.

This paper explores the food industry business market as an example, highlighting the key role of market research in successful economic recovery. Through this example, market research becomes a fundamental framework for identifying the changes that a company needs to implement in its operations in order to become more competitive. The example will show the market research of companies from the food industry. There is no successful economic rehabilitation without market research. This example can serve as a framework for market research, which provides answers to the question of what the company needs to change in its business in order to be more successful than the competition. The research results have significant implications for managers, experts and political decision-makers, providing them with information necessary for effective management of financial crises and ensuring the stability of companies, as well as a faster understanding of the competitive business environment.

The laws in Bosnia and Herzegovina that partially regulate the subject areas are outdated, long since overcome and almost completely non-functional, which effectively prevents the introduction of new technologies, which are becoming more and more convergent day by day with the development of digital services that are based on various types of electronic communication infrastructure. This type of legislation in Bosnia and Herzegovina discourages investors from investing in the development of communication infrastructure, which ultimately leads to limited service or lowquality service for the citizens of Bosnia and Herzegovina. High-quality and modern regulation of the field of electronic communications is achieved first of all so that all legislative levels in Bosnia and Herzegovina, in accordance with their constitutional competences, pass complex and detailed laws that will regulate the field of electronic communications, following the example of the legislative achievements of the European Union in this areas. Bearing in mind the past experiences in Bosnia and Herzegovina, probably a more functional way is for all legislative levels in Bosnia and Herzegovina, in accordance with their constitutional competences, to pass laws that will regulate the field of electronic communications in such a way as to prescribe the basic principles and basic frameworks of regulation this area, again following the example of the legislative achievements of the European Union in this area.

This paper presents the binary symmetric channel as a common model of the communication channel used in theory of coding and theory of information. Since there is no noise in the channel, the data transmission delay is very small, which is why data can be transmitted quickly and in real time, without many errors, which greatly determines its practical application. Therefore, the theoretical basis of the functioning of the channel itself and its practical advantages will be presented in the text. The concept of binary coding will also be explained with the use of block codes that create the possibility of correcting eventual errors, as well as the application of a binary symmetric channel in improving signal interference when using a wireless network.

The objective of this study is to allow a better understanding of the role of industry 4.0 technologies, especially filament extrusion technology in the reduction of costs, environmental impact, energy consumption, and the possibility to expand the range of printable materials. The study focuses on the desktop Filament Extruders available in the market now, where these machines are assessed and future possible modifications for these apparatuses are presented. The research leading to the publication of this study consists of a review of the existing literature, in addition, information from different extruders manufacturers’ websites has been used.  The study has demonstrated that the extrusion of material at home is still not an exact science, and the process ends up costing the user large sums of money over time. However, there are still limitations to the use of this technology such as the lack of standardized extrusion settings, the necessity of pre-drying the pellets, and the complexity of the extruder cleaning process after each use.

In order to efficiently manage air quality at the location of Banja Luka city, a functional system for monitoring and controlling the degree of air pollution, that is to say air quality monitoring, has been established. Air quality monitoring is performed by the Mobile Ecological Laboratory (MEL) at three locations in the settlements of Paprikovac, Borik and the City Centre. The objectives of air quality monitoring can be divided into two groups: the first group consists of the objectives of the monitoring program for a medium-industrialised city with an existing or potential problem of air pollution. The second group consists of special air quality monitoring objectives, whose nature is such that their implementation is a matter of free choice, and usually more complex solutions are required. The basic air quality monitoring program should provide the essential data needed to develop air quality standards and enable the development of an acceptable air quality protection program. The goal of the basic air quality monitoring program is: to monitor long-term trends in air pollution in order to determine the degree of improvement or deterioration of air quality in urban and industrial environments. Measurements are usually performed at multiple measurement sites by collecting and analysing a 24-hour sample. Measurement data for at least five consecutive years are required to determine air pollution trends. Air quality is assessed based on the obtained data and on the basis of comparison with standards. In accordance with the above, this paper presents the air quality through the values of the following pollutants: SO₂, O₃, CO, NO₂, PM₁₀ and Soot. The air quality of Banja Luka (from the aspect of the presence of sulphur dioxide and soot) was analysed, before and after the war, based on the available literature.

The paper analyzes the position of national minorities in the Western Balkans region, with an emphasis on the countries created through former SFR Yugoslavia’s dissolution, which are characterized as new national states. It has been pointed to the specificities of this form of national state, primarily nationalism as the basis in all the domains of functionality, which is the main reason for the negative relation toward minorities. The accession to the European Union is the main motivation factor toward solving the issues of the minorities in this region. The situation in Bosnia and Herzegovina is especially complicated considering that the specific solution of national minorities’ status is one of the causes of stagnation of this country in European integration process.

Corruption is undoubtedly present everywhere in Bosnia and Herzegovina, in all pores of society and on an increasing scale. The fight against corruption is a great challenge for the most developed countries in the world. Therefore, it is not surprising that Bosnia and Herzegovina, burdened by political problems and poverty, finds it difficult to find effective mechanisms to combat this extremely negative phenomenon. The reasons for poor results in the prosecution of corrupt crimes range from the very nature of the phenomenon of corruption, which is shrouded in secrecy due to the interests of participants, which makes it difficult to disclose, to insufficiently good institutional and legal solutions. The aim of this paper is to determine the awareness of B&H citizens about corruption in the workplace and the way they relate to corruption in everyday life, but also to analyze the performance of state institutions in preventing and combating corruption. Based on the defined problem to be investigated and the set goals, the methodology used during the research was determined. The scientific-research character of this paper is based on the analysis of relevant scientific literature and modern sources using the methods of examination, methods of analysis, methods of comparison, methods of description and methods of deduction.

Foreign direct investments in the Republic of Croatia has been systematically monitored since 1993. During the war years, the inflow of foreign capital, both in the form of direct and portfolio foreign investments, was insignificant. Significant foreign investment activity has been present since 1996. Aware of the importance that FDI (Foreign Direct Investment) can have on the recipient country, both as a factor in accelerated economic development, and as a source for financing the deficit on the current account of the balance of payments, Croatia has declaratively promoted a policy of attracting foreign capital. Although in the first few years after the war this promotion was mostly aimed at the Croatian diaspora, under the pressure of the international community, privatization began in the banking and telecommunications sector, and since the post-war years, the largest amount of foreign capital has been directed there. Thus, in the second part of the 1990s, after the normalization of the situation in the country, Croatia collected a total of nominally around USD 4.5 billion in foreign direct investment, mostly through privatization, and the largest inflow of foreign currency was realized in 1999, in the amount of 1, 2 billion USD (first round of privatization of HT). This paper analyses the factors affecting foreign direct investment and the strengths, weaknesses, threats and opportunities for encouraging the inflow of foreign direct investment into the economic framework of the Republic of Croatia and presents the competitiveness index of the structures and activities of foreign direct investment in the Republic of Croatia. In conclusion, it can be emphasized that since independence, the Republic of Croatia has been making efforts to attract as many foreign investments as possible, while achieving limited results.

In order to determine the most effective method of advertising on Instagram and attract users of the application to become permanent followers of the site, for the purposes of this paper, we used primarily collected data through weekly testing of seven selected methods. Five organic (increasing the number of followers and interactions – removing inactive followers, tracking posting time, changing the number of “tags”, “liking” other users’ content and a combination of 4 “likes” and 1 comment) and two paid directly from the Instagram application (foreign advertising and advertising for the domestic market). The results of the research were processed by descriptive statistics. The paper represents the synergy of theoretical and empirical work. The first part will theoretically describe facts related to the second, empirical, part of the paper and the case study, which was designed and researched. The idea stemmed from the need to select the most successful methods from the large number of the ones used to organically increase the number of followers and the number of interactions on the site. There was also a need to check whether these methods were as good for advertising as they were paid for. Also, it was necessary to determine whether they bring results in relation to the invested engagement. Comparing the achieved results of organic and paid advertising methods, it was found that certain organic advertising methods give better results in some parameters than paid ones, while paid ones give better results in other parameters.