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1.

001-es BibID:BIBFORM098739
035-os BibID:(cikkazonosító)2999 (Scopus)85102851519 (WOS)000628578300001
Első szerző:Alobid, Mohannad (economist)
Cím:Food Gap Optimization for Sustainability Concerns, the Case of Egypt / Mohannad Alobid, Bilal Derardja, István Szűcs
Dátum:2021
ISSN:2071-1050
Megjegyzések:Nowadays, even with the growth and progress of the agricultural sector, the food gap (FG) is still wide, particularly for strategic crops, affecting the national economy and compromising the food security. The realization of self-sufficiency can be fulfilled only by achieving the highest production efficiency along with preserving the natural resources currently available, especially arable land and irrigation water. In this analysis, the FG in Egypt was modeled for 13 crops between the years 2000 and 2018. The linear model applied suggested a redistribution of crops in terms of production, food demand and land reallocation, in order to find the best solution to minimize the FG on the basis of crop value and under a set of constraints. It was found that the value of the modelled FG increased steadily from 2005 to 2017, then it started to decline slightly, probably due to the steady increase in the population growth rate which is a crucial factor in enlarging the FG. Furthermore, important water loss was noticed through the analysis period. In fact, there was a huge difference, reaching around 25 billion m3 between the water consumed for the studied crops and the total amount of renewable water. The main reason for this loss can be linked to the traditional irrigation methods used, such as surface irrigation. Moreover, the calculation of food demand with the estimated production and the redistribution of crop land reallocations were performed to achieve the best model fit between the crops in terms of minimizing the FG in Egypt. So far, the current agricultural policy has reaped limited gains and a steep decline of food economic balance. Hence, significant interest on rising productivity should be given by the government to achieve the food self-sufficiency in Egypt.
Tárgyszavak:Agrártudományok Élelmiszertudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
food gap
self-sufficiency
water consumption
crops land reallocation
food security
Megjelenés:Sustainability. - 13 : 5 (2021), p. 1-17. -
További szerzők:Derardja, Bilal Szűcs István (1968-) (agrárközgazdász)
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2.

001-es BibID:BIBFORM074695
035-os BibID:(cikkazonosító)857 (WOS)000404127800182 (Scopus)85019955009
Első szerző:Bai Attila (agrár-közgazdász)
Cím:The Significance of Forests and Algae in CO2 Balance : a Hungarian Case Study / Attila Bai, József Popp, Károly Pető, Irén Szőke, Mónika Harangi-Rákos, Zoltán Gabnai
Dátum:2017
ISSN:2071-1050
Megjegyzések:This study presents the sequestration and emissions of forests and algae related to CO2 while providing a comparison to other biomass sources (arable crops, short rotation coppices). The goal of the paper is to analyze the impact of the current CO2 balance of forests and the future prospects for algae. Our calculations are based on data, not only from the literature but, in the case of algae, from our own previous experimental work. It was concluded that the CO2 sequestration and natural gas saving of forests is typically 3.78 times higher than the emissions resulting from the production technology and from the burning process. The economic and environmental protection-related efficiency operate in opposite directions. The CO2 sequestration ability of algae can primarily be utilized when connected to power plants. The optimal solution could be algae production integrated with biogas power plants, since plant sizes are smaller and algae may play a role, not only in the elimination of CO2 emissions and the utilization of heat but also in wastewater purification.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
forest
algae
carbon dioxide
sequestration
emissions
Megjelenés:Sustainability. - 9 : 5 (2017), p. 1-24. -
További szerzők:Popp József (1955-) (közgazdász) Pető Károly (1958-) (agrármérnök) Szőke Irén (1988-) Harangi-Rákos Mónika (1985-) (gazdasági agrármérnök) Gabnai Zoltán (1988-) (gazdasági agrármérnök)
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3.

001-es BibID:BIBFORM119396
035-os BibID:(cikkazonosító)2325
Első szerző:Chalgynbayeva, Aidana
Cím:The Economic Potential of Agrivoltaic Systems in Apple Cultivation?A Hungarian Case Study / Chalgynbayeva, Aidana; Balogh, Péter; Szőllősi, László; Gabnai, Zoltán; Apáti, Ferenc; Sipos, Marianna; Bai, Attila
Dátum:2024
ISSN:2071-1050
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
unit cost analysis
economic analysis
apple farming
agri-solar
agrophotovoltaic system
Megjelenés:Sustainability. - 16 : 6 (2024), p. 1-34. -
További szerzők:Balogh Péter (1970-) (agrármérnök) Szőllősi László (1979-) (gazdasági agrármérnök) Gabnai Zoltán (1988-) (gazdasági agrármérnök) Apáti Ferenc (1979-) (gazdasági agrármérnök) Sipos Marianna (1984-) (környezetgazdálkodási agrármérnök) Bai Attila (1967-) (agrár-közgazdász)
Pályázati támogatás:TKP2021-NKTA-32
Egyéb
2019-2.1.13-TÉT_IN-2020-00061 "Waste algae to biogas for clean energy and environment: techno-environmental-economic prospects".
Egyéb
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4.

001-es BibID:BIBFORM112819
035-os BibID:(cikkazonosító)9906 (WoS)001028340500001 (Scopus)85165085414
Első szerző:Feketéné Ferenczi Aliz
Cím:Evaluation of the Pollination Ecosystem Service of the Honey Bee (Apis mellifera) Based on a Beekeeping Model in Hungary / Feketéné Ferenczi Aliz; Szűcs István; Bauerné Gáthy Andrea
Dátum:2023
ISSN:2071-1050
Megjegyzések:Apiaries must be ecologically and economically sustainable to provide pollination as a unique ecosystem service. Pollination as an ecosystem service is economically, socially, and environmentally irreplaceable. Therefore, it is essential to improve the profitability of beekeeping activities, which are mainly carried out in rural areas. With this in mind, the main objective of this article is to assess pollination as one of the ecosystem services provided by bees, based on the specificities of Hungarian honey production. The authors' analysis is based on a Hungarian apiary with 300 colonies active in migratory beekeeping. The model farm produces a wide variety of honey thanks to its migratory beekeeping, visiting several bee pastures during the beekeeping season. This paper presents an approach to quantify the ecosystem services provided by honey bees (Apis mellifera) using two economic valuation methods (productivity change and surrogate market goods) belonging to the family of cost-based valuation. The results of the monetary valuation of the ecosystem services provided by bees can provide a starting point for further research to help decision-makers and farmers to calculate a fair "pollination fee" for beekeepers, which will significantly help beekeepers to maintain beekeeping, an important and beneficial activity for all of us.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
honey bees
ecosystem services
productivity changed method
replacement goods/services method
sustainability
Megjelenés:Sustainability. - 15 : 13 (2023), p. 1-14. -
További szerzők:Szűcs István (1968-) (agrárközgazdász) Bauerné Gáthy Andrea (1980-) (gazdálkodás- és szervezéstudományi PhD)
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5.

001-es BibID:BIBFORM099870
035-os BibID:(cikkazonosító)969 (Scopus)85122922764 (WOS)000758477700001
Első szerző:Kovách Imre (szociológus)
Cím:Sustainability and Agricultural Regeneration in Hungarian Agriculture / Kovách Imre, Megyesi Boldizsár Gergely, Bai Attila, Balogh Péter
Dátum:2022
ISSN:2071-1050
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Sustainability. - 14 : 2 (2022), p. 1-16. -
További szerzők:Megyesi Gergely Boldizsár Bai Attila (1967-) (agrár-közgazdász) Balogh Péter (1970-) (agrármérnök)
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6.

001-es BibID:BIBFORM115648
035-os BibID:(Cikkazonosító)15310
Első szerző:Kovács Tünde Zita (közgazdász)
Cím:Sustainable public transportation in a Volatile, Uncertain, Complex, and Ambiguous (VUCA) age / Tünde Zita Kovács, András Nábrádi, Szabolcs Tóth, László Huzsvai, Adrián Nagy, Beáta Bittner
Dátum:2023
ISSN:2071-1050
Megjegyzések:A well-functioning public transport system is one of the foundations of the Smart city concept and sustainable cities. The COVID period offers an excellent opportunity to examine the impact of different factors, because throughout this period society was faced with both health and governmental impacts that had different effects. Public transport use in the EU member states from the turn of the millennium until the beginning of the pandemic ranged from 17-18% to 27% of total journeys. The COVID-19 virus caused a 5-7% decrease in public transport use. The present study analyses the relationship between these effects and the number of paying passengers on public transport in Debrecen. Four hypotheses were put forward, i.e., that (1) the evolution of travel tickets, (2) general passes, (3) discounted passes and (4) replacement tickets were influenced by the evolution of the active COVID-19 case rate. The data were collected from the Debrecen Transport Company (DKV) for the period 1 January 2020-12 December 2021, and the Worldometers.info database. Statistical analyses were performed using an autoregressive and moving average (ARMA) model. We found that COVID`s active case numbers did not affect sales, but some of the government measures did have an effect. The results of this research can be used to inform future decisions to maintain and improve urban transport.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
public transportation
ARMA model
government measures
COVID-19 effects
transportation analysis
Megjelenés:Sustainability. - 15 : 21 (2023), p. 1-15. -
További szerzők:Nábrádi András (1956-) (közgazdász, agrárökonómus) Tóth Szabolcs (1973-) (közgazdász) Huzsvai László (1961-) (talajerőgazdálkodási szakmérnök, agrármérnök) Nagy Adrián Szilárd (1975-) (gazdasági agrármérnök) Bittner Beáta (1980-) (közgazdász)
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7.

001-es BibID:BIBFORM092009
035-os BibID:(cikkazonosító)2817 (Scopus)85102719596 (WOS)000628597400001
Első szerző:Kovács Tünde Zita (közgazdász)
Cím:An analysis of the demand-side, platform-based collaborative economy : Creation of a clear classification taxonomy / Tünde Zita Kovács, David Forest, Adrián Nagy, István Szűcs, András Nábrádi
Dátum:2021
ISSN:2071-1050
Megjegyzések:The rapid proliferation of the demand-side, platform-based collaborative economy and its various forms have been an aspect of everyday life for over a decade. However, despite the platform's popularity, the descriptions and names attributed to the demand-side, platform-based collabora-tive economy are often used interchangeably and can be ambiguous, resulting in confusion among researchers and practitioners. This study examines the articles published during the pre-vious ten years, which have aimed not only to define but also to classify the collaborative economy according to various criteria. After reviewing the existing classification criteria, this ar-ticle presents a clearer taxonomy of the multiple forms of the collaborative economy by distin-guishing service providers' groups on their respective attributes. Our review and analysis have both theoretical and practical importance. Regarding the latter, our research will help managers and government officials alike in rethinking the taxation and subsidizing policies related to the various demand-side, platform-based collaborative economies and in preparing national and in-ternational consultations and conventions. This study aims to define the demand-side, plat-form-based collaborative economy and integrate the concept into various economic activities, providing a new and valuable contribution to the literature.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Sustainability. - 13 : 5 (2021), p. 1-20. -
További szerzők:David, Forest Redwan (1978-) (közgazdász) Nagy Adrián Szilárd (1975-) (gazdasági agrármérnök) Nábrádi András (1956-) (közgazdász, agrárökonómus)
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8.

001-es BibID:BIBFORM088045
035-os BibID:(cikkazonosító)7884 (WOS)000586622200001 (Scopus)85092198111
Első szerző:Molnár Szilvia (közgazdász)
Cím:Sustainability and Quality Aspects of Different Table Egg Production Systems: A Literature Review / Molnár Szilvia, Szőllősi László
Dátum:2020
ISSN:2071-1050
Megjegyzések:Eggs are of considerable importance in feeding the population, as they are a relatively inexpensive and complex food source of very high biological value. The daily animal protein requirement for the human body can be covered with eggs in the cheapest way and with the lowest environmental impact. As animal welfare, as well as environmental and health awareness issues, become increasingly prominent in developed countries, consumer demand for eggs has also changed significantly in recent years, with an increasing number of consumers buying eggs produced in non-cage housing systems. In recent years, cage housing has been more frequently debated in EU member states. An initiative was launched in 2018 to end cage housing technologies and the sale of eggs produced in this way. However, in addition to animal welfare, a number of other factors need to be considered in relation to sustainable production. For this reason, the aim of this research is to provide a comprehensive overview of the sustainability issues of various housing technologies, as well as quality factors affecting consumer health and egg consumption based on the relevant international references and databases. Although there is a growing demand for products produced in non-cage housing systems due to the increasing relevance of environmental protection, health awareness and animal welfare issues in Western societies, research has shown that non-caged production is not the best solution for environmentally, socially and economically sustainable egg production.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
animal health
consumer preferences
economic issues
efficiency
environmental aspects
food safety
health awareness
non-cage housing systems
welfare
Megjelenés:Sustainability. - 12 : 19 (2020), p. 1-22. -
További szerzők:Szőllősi László (1979-) (gazdasági agrármérnök)
Pályázati támogatás:EFOP-3.6.1-16-2016-00022
EFOP
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9.

001-es BibID:BIBFORM096170
035-os BibID:(cikkazonosító)1118 (Scopus)85081232808 (WOS)000524899602005
Első szerző:Németh Kornél (közgazdász)
Cím:Can Energy Be a "Local Product" Again? : Hungarian Case Study / Németh Kornél, Birkner Zoltán, Katona Andrea, Göllény-Kovács Nikoletta, Bai Attila, Balogh Péter, Gabnai Zoltán, Péter Erzsébet
Dátum:2020
ISSN:2071-1050
Megjegyzések:The energy sector is undergoing radical changes, and this transition is expected to accelerate all over the world over the coming years. In our recent research, we conducted a questionnaire survey at different levels and asked the experts in the area, the businesses involved in the issue, the operators and maintainers of existing systems, as well as the potential consumers and end users, about their knowledge and intentions related to renewable energy sources. Our empirical research can be divided into three parts. Our exploratory research was based on expert interviews, which show that the growing importance of localization is unquestionable, but the economic, social, and existing infrastructures impose significant barriers to the widespread adoption of certain technologies. Regarding the population survey, we see that the skepticism experienced in previous years has been replaced by a kind of expectation reflecting openness. In addition, it can be stated that in many cases technological development is faster than the possibility of its adaptation. Our gender tests significantly support men's better knowledge of the subject and the fact that biomass (despite its major importance) is not one of the most known renewable energy sources.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Sustainability. - 12 : 3 (2020), p. 1-22. -
További szerzők:Birkner Zoltán Katona Andrea Göllény-Kovács Nikoletta Bai Attila (1967-) (agrár-közgazdász) Balogh Péter (1970-) (agrármérnök) Gabnai Zoltán (1988-) (gazdasági agrármérnök) Péter Erzsébet (közgazdász)
Pályázati támogatás:EFOP-3.6.2-16-2017-00001
EFOP
ÚNKP-17-4
Egyéb
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10.

001-es BibID:BIBFORM074443
035-os BibID:(cikkazonosító)2303 (WOS)000419231500149 (Scopus)85037728969
Első szerző:Oláh Judit (agrárközgazdász, logisztika)
Cím:The Role Played by Trust and Its Effect on the Competiveness of Logistics Service Providers in Hungary / Oláh Judit, Bai Attila, Karmazin György, Balogh Péter, Popp József
Dátum:2017
ISSN:2071-1050
Megjegyzések:This research focuses on the role of trust and the impact of its level on the revenue, earnings before tax and the degree of flexibility of logistics service providers (LSPs). More specifically, the role of the executive manager is examined in relation to the impact of business relationships (trust levels) within and between organizations. In addition, the analysis covers the development of revenue, earnings before tax and degree of flexibility of logistics service providers in the context of the role of the head manager. The data were collected from 51 logistics service providers in Hungary. The results show that the level of trust established in the organization (with the employees, co-workers etc.) has a positive impact on the earnings before tax. Furthermore, this paper confirms that the trust executive managers establish around them is an important performance factor which even consumers perceive and that it has major significance in terms of degree of flexibility. This research further increases our understanding of the role and importance of trust as a strategic success factor for LSPs
Oláh Judit (1973-) (agrárközgazdász, logisztika): The Role Played by Trust and Its Effect on the Competiveness of Logistics Service Providers in Hungary
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
collaboration
supply chain management
logistics service providers
trust management
trust
Megjelenés:Sustainability. - 9 : 12 (2017), p. 1-22. -
További szerzők:Bai Attila (1967-) (agrár-közgazdász) Karmazin György (1966-2017) (agrárménök, mérnök-tanár) Balogh Péter (1970-) (agrármérnök) Popp József (1955-) (közgazdász)
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11.

001-es BibID:BIBFORM101887
035-os BibID:(cikkazonosító)5515 (WOS)000795224000001 (Scopus)85130048065
Első szerző:Sertolli, Ardit (Ph.D. hallgató)
Cím:Biomass Potential and Utilization in Worldwide Research Trends - A Bibliometric Analysis / Ardit Sertolli, Zoltán Gabnai, Péter Lengyel, Attila Bai
Dátum:2022
ISSN:2071-1050
Megjegyzések:Biomass, as a part of renewables, is a resource found in large quantities and is a basis for many different industries. This paper presents the most important trends and characteristics of research in biomass potential and biomass utilization on a world scale. The main objective of this work is to analyze the state of research and trends in biomass potential and biomass utilization from 1974 to 2021, including 7117 relevant documents. The methodology part comprised two main stages: obtaining data from Scopus and then exporting the data into Excel. The VOSviewer bibliometric tool was used to analyze clusters of countries and groups of keywords. Research on this topic experienced significant development after 2000; moreover, the global trend of publications marked a significant increase after 2012. China and India have shown exponential growth, followed by USA, Germany, and UK. An important trend globally is that energy topics are gaining more importance and percentage annually, especially in photovoltaics and new generations of biofuels in terms of keywords. The paper aims to provide a tool for the scientific community by introducing the current state and potential tendencies in this special field, including the various sides of biomass use.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Sustainability. - 14 : 9 (2022), p. 1-20. -
További szerzők:Gabnai Zoltán (1988-) (gazdasági agrármérnök) Lengyel Péter (1976-) (matematika tanár, informatikus, közgazdász) Bai Attila (1967-) (agrár-közgazdász)
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12.

001-es BibID:BIBFORM073023
035-os BibID:(WOS)000435587100090 (Scopus)85046701981 (cikkazonosító)1394
Első szerző:Zsiborács Henrik (PhD hallgató)
Cím:Change of real and simulated energy production of certain photovoltaic technologies in relation to orientation, tilt angle and dual-axis sun-tracking. A case study in Hungary / Henrik Zsiborács, Attila Bai, József Popp, Zoltán Gabnai, Béla Pályi, István Farkas, Nóra Hegedűsné Baranyai, Mihály Veszelka, László Zentkó, Gábor Pintér
Dátum:2018
ISSN:2071-1050
Megjegyzések:The aim of the study is to compare me tut angle-orientation and dual-axis tracking characteristics of mono- (m-Si), polycrystalline (p-Si), and amorphous silicon (a-Si) modules in the summer of 2017, under real meteorological conditions with simulated data. The most important new element of our study is that, besides a comparison of the three most significant photovoltaic types, the technologies are differentiated by examining specific energy generation using dual-axis tracking and four different orientations at 5-degree intervals compared to simulated values, near to the summer solstice. For these types of measurements, as far as we are aware, there is no previous reliable, well-supported, comparative data. The simulated data show less accurate results, proving the importance of real data. Based on simulated data, the tilt angle and orientation showed about 10% favorable values compared to reality. Knowing our results can make it easier to plan investment, and estimate the investment and operational costs and their return on crystalline and amorphous silicon solar modules, for both sun-tracking and fixed systems with various orientations and tilt angles.
Tárgyszavak:Társadalomtudományok Gazdálkodás- és szervezéstudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
solar energy
solar module
sun-tracking
orientation
tilt angle
simulation
Megjelenés:Sustainability. - 10 : 5 (2018), p. 1394. -
További szerzők:Bai Attila (1967-) (agrár-közgazdász) Popp József (1955-) (közgazdász) Gabnai Zoltán (1988-) (gazdasági agrármérnök) Pályi Béla (1957-) (agrármérnök) Farkas István (1951-) (agrármérnök) Hegedűsné Baranyai Nóra (1978-) (egyetemi oktató) Veszelka Mihály Zentkó László Pintér Gábor (1983-) (közgazdász)
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