Mariusz Trojak

Dr. Mariusz Trojak


Research Focus & Metrics

Academic Career Length

8Years (2019-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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4 July 2024 in Studies in Higher Education
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Journal Article
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SRSylwia Roszkowska
Sylwia Roszkowska
MTMariusz Trojak
Mariusz Trojak
PHPaulina Hojda
Paulina Hojda

30 June 2023 in International Entrepreneurship Review
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Journal Article
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MTMariusz Trojak
Mariusz Trojak
PHPaulina Hojda
Paulina Hojda
SRSylwia Roszkowska
Sylwia Roszkowska
Objective: The study undertook an assessment – unique in Polish conditions – of the factors related to higher education differentiating the group of graduates of the Jagiellonian University (JU) in terms of their professional activity in the context of taking up employment or starting self-employment. Research Design & Methods: Lazear’s theory was applied to find study-related entrepreneurship determinants. The study attempted to determine the factors influencing the employment of Jagiellonian University graduates or their self-employment. The following explanatory variables were used during the study: scientific discipline and students’ faculty, professional activity or possibly running a business by the student, mode of study (full-time versus part-time), and scientific and non-scientific activities such as volunteering, undertaking studies abroad, and internships. The analyzes were based on data collected during the alumni career paths research of more than 6000 graduates who completed their studies between 2015 and 2019. Findings: The Mann-Whitney test and parametric t-Student tests showed that graduates of the JU who started a business, as opposed to those who work as employed persons, already set up a business during their studies and then continued it or started other types of business activity. Regarding the two analysed groups of students, there were significant differences in the completed faculty, study mode (full-time versus part-time), student internships, studies, internships abroad, and volunteering. Implications & Recommendations: The results of the analyses can be used by several groups of beneficiaries. Firstly, they can be useful for high school graduates intending to start higher education, as they indicate such disciplines and fields of study, after which the chances of professional success are the highest. The second group interested in the results of this work might be university students, who, based on its results, may undertake additional academic and non-academic activities that could increase their chances of professional success. Thirdly, the management of universities can use the results of research when preparing an educational offer that would be best suited to the needs of the labour market. Contribution & Value Added: The subject of factors differentiating the professional attitudes of university graduates, especially in countries undergoing systemic transformation, is insufficiently explored. Deficiencies in quantitative research based on large sets of data are particularly visible. This article fills this gap by pointing to the factors that significantly affect self-employment or hired work by graduates of the oldest and one of the most renowned universities in Poland.

31 December 2019 in Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego
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Journal Article
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MTMariusz Trojak
Mariusz Trojak
BKBarbara Kiełbasa
Barbara Kiełbasa
DPDaniela Popa
Daniela Popa
ASAliona Sargo
Aliona Sargo
Economic literature pays a great deal of attention to economic and financial efficiency, expressed in terms of competition, concentration, productivity and profitability. This paper provides an all-embracing framework for the various existing theories in this area and illustrates these theories with practical applications. Currently, changing the size of the production potential in agricultural units in the Republic of Moldova depends to a great extent on the influence of different trends in the modification of production resources: the reduction of labor resources and agricultural land, quantitative and qualitative changes in fixed assets, and in current assets, etc. The notion of resource potential means the totality of the volume of all resources (natural, labor, material, intellectual, information, etc.) on specific enterprises, territories, branches, regions. Evaluating a broad field of research, the paper describes profit maximizing food products and demonstrates how several widely-used products can be fit into this framework. The authors also present an overview of the current major trends in the food sector and relate them to the assumptions for food products, thereby displaying their relevance and timeliness. The results include a set of recommendations for future research on this topic. The design, methodology and approach of this research is to explain why efficiency can help obtain a profit surplus, and to measure this efficiency. For quality of methodology we apply a range of statistical methods, as well as the strategic capability of organisations – made up of resources and competences. One way to approach the stategic capability of an organisation is to consider its strengths and weaknesses (for example, where it has a competitive advantage, profit, efficiency or disadvantage). Based on our research and results, we sought to understand the concepts of financial effciency and to apply these concepts to practical situations. At the start of each analysis entrepreneurship plays an important role. Most organisations have to innovate constantly to obtain profit and efficiency for food products. They need to be first into a market, or simply a follower of customers in developing new products and services. Original studies in Moldova and Poland regarding farm concentration in terms of Gini Coefficient, Gini Index and Concentration Index of the utilized agricultural area. Original calculus formula to determine the Concentration Index of the UAA for the top 10% largest farms in Moldova and UK.