Irina Denisa Irina

Dr. Irina Denisa Irina


Research Focus & Metrics

Academic Career Length

7Years (2020-Present)

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

Representative Publications

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6 February 2022 in Agronomy
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Marius ConstantinMarius Constantin
Marius Constantin
MSMihail-Dumitru Sacala
Mihail-Dumitru Sacala
MDMihai Dinu
Mihai Dinu
MPMaria Piștalu
Maria Piștalu
Simona Roxana PatarlageanuSimona Roxana Patarlageanu
Simona Roxana Patarlageanu
IIIrina Denisa Irina
Irina Denisa Irina
The vegetable sector plays an important role in ensuring food security. Vegetable trade flows in Romania have become a major concern due to constant trade balance deficits despite the country’s agricultural potential. Taking into account the paradox between what could be considered an abundance of factor endowments and poor trade balance results, the objective of this research was to study the linkage between vegetable trade flows and chain competitiveness. Spatial panel econometric methods were used to study the impact of the international vegetable market on the demand in Romania, while the Balassa index and Porter’s diamond modelling techniques were used to study the competitiveness of the vegetable chain at both county and national levels. By applying the spatial regression method to the international trade and national production panel data, it was found that an increase in the quantity of vegetables imported into Romania would cause an even greater decrease in national vegetable production. The results show that Romanian vegetable production is highly and negatively influenced by the growing appetite for imports—therefore leading to a national dependence on the global vegetable chain. Porter’s diamond model results confirm that: (a) growing vegetables is profitable in Romania and the average profit margin is higher in this economic sector than in many others; (b) there is a lack of competitiveness caused by the post-communist excessively fragmented agrarian land structure and poor performance of the irrigation, warehousing, and transportation sectors; (c) the national production of vegetables is generally self-sufficient with the exception of three counties that resort to importing and account for more than 70% of Romania’s total vegetable imports; (d) factor endowments cannot be fully harnessed, and this contributes to the deepening of the trade balance deficits. Improvement is possible by fostering competitiveness through increasing the performance of supporting industries and the logistics infrastructure, as well as removing market access barriers for the many small farmers.

24 October 2025 in Agriculture
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MDMihai Dinu
Mihai Dinu
SBSilviu Ionut Beia
Silviu Ionut Beia
Simona Roxana PatarlageanuSimona Roxana Patarlageanu
Simona Roxana Patarlageanu
Alina Florentina Gheorghe (Gavrilă)Alina Florentina Gheorghe (Gavrilă)
Alina Florentina Gheorghe (Gavrilă)
IIIrina Denisa Irina
Irina Denisa Irina
MSMihail-Dumitru Sacala
Mihail-Dumitru Sacala
In this study, we investigated the spatial and temporal dynamics of pork carcass prices across European Union Member States, focusing on the influence of wheat prices and population income levels between 2014 and 2023. Our analysis revealed that both input costs (reflected by wheat price fluctuations) and income-driven demand factors exert significant and spatially correlated effects on pork carcass prices. The results demonstrate the existence of spatial interdependencies among neighboring countries, indicating that price changes in one region may propagate through the broader European market. By integrating spatial econometric techniques within a panel data framework, this research provides empirical evidence of the interconnected nature of EU agricultural markets, advancing the existing literature by demonstrating how input markets and consumer income dynamics jointly shape price behavior within an integrated regional economy. Our findings contribute to a deeper understanding of price transmission mechanisms in the livestock sector and offer valuable insights for policymakers seeking to enhance market efficiency and resilience within the Common Agricultural Policy context.

1 July 2023 in Proceedings of the International Conference on Business Excellence
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IIIrina Denisa Irina
Irina Denisa Irina
Studying education from an econometric perspective provides an understanding of how economic and social factors influence educational process. From this perspective, it is possible to understand how different groups of people are affected by the educational system and find solutions to create a more equitable environment. Regarding this research area, the specialized literature is very vast. However, few schools recognize the interdependence and contributions that school infrastructure (buildings and furniture) can make to the improvement of academic activities in the school. This paperwork thus aims to study the public educational field in Romania from a managerial, as well as a spatial econometric perspective, in order to provide possible solutions for the improvement of the quality of the educational act in schools. The research hypothesis of this work is that certain infrastructure factors, such as the number of teaching staff, classrooms, IT equipment, gymnasiums, school laboratories, school workshops, and sports fields, have an impact on the number of graduates in each county of Romania. Conducting a spatial econometric analysis, the results validate the research hypothesis. The number of graduates from a county is influenced by the number of teaching staff, the number of IT equipment, school laboratories or sports fields existing in the respective county. Thus, Romania should allocate more financial resources to education, especially to motivate teachers, but also to transform the teaching career into an attractive one for passionate and well-prepared young people.

1 July 2020 in Proceedings of the International Conference on Business Excellence
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DSDaniela Nicoleta Sahlian
Daniela Nicoleta Sahlian
TCTrasca Cosmin
Trasca Cosmin
IIIrina Denisa Irina
Irina Denisa Irina
LMLiviu Marian Matac
Liviu Marian Matac
DPDaniela Codruta Pavel
Daniela Codruta Pavel
Quite often, people ask questions about the size of their retirement funds, nevertheless, demographic changes are fueling an existing insecurity. Thereby, in the actual context, it is necessary to analyze the current retirement system in order to be able to provide reliable solutions in the future. The objective of the research is to elaborate an econometric analysis based on the information available for Pillar II of retirement pensions for each fund apart, but also at the market level. The mandatory private funds of Pillar II are managed by companies existing on the Romanian market. The study aims to analyze the causal relationship between the size of the fund, analyzed through the size of the total net assets, and its profitability. The research method consists in testing the connection between the two variables through a linear regression at the market and individual level, in terms of each fund. The results of the research will complete the already existing researches and, moreover, it will provide an updated base in order to evaluate the previsions regarding the investments made from these funds and act accordingly to increase the benefits that employees receive during their retirement age.