Nikolaos Sariannidis

Prof. Dr. Nikolaos Sariannidis


Research Focus & Metrics

Academic Career Length

16Years (2011-Present)

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

Representative Publications

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13 March 2025 in Administrative Sciences
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EPEleni Poiriazi
Eleni Poiriazi
GZGeorgia Zournatzidou
Georgia Zournatzidou
GKGeorge Konteos
George Konteos
NSNikolaos Sariannidis
Nikolaos Sariannidis
Greenwashing undermines the trustworthiness and integrity of environmental, social, and governance (ESG) reporting. It undermines disclosure quality, confuses decision making, destabilizes financial markets, and reduces the probability that people will trust the supplied information. This research utilizes a comprehensive literature review and bibliometric analysis to investigate the scholarly dialogue around ESG disclosure and strategies to counteract corporate “greenwashing”. This study’s objectives were achieved by bibliometric analysis, using the statistical programming tools R Studio R 3.6.0+, Biblioshiny 4.2.0, and VOSviewer 1.6.20. We acquired bibliometric data from the Scopus database for the period 2012–2024. We established the optimal sample size via the PRISMA methodology, including both inclusion and exclusion criteria. Greenwashing is a multifaceted issue that manifests in many forms, shapes, and intensities, as seen by the data. This obstructs the advancement of apparatus for prevention, quantification, and detection. Moreover, the results indicate that sustainable finance is adversely affected by greenwashing, particularly for green loans and green bonds. Moreover, the findings indicate that corporate greenwashing is a distinct kind of greenwashing.

19 January 2023 in Energies
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SKSofia Karagiannopoulou
Sofia Karagiannopoulou
NSNikolaos Sariannidis
Nikolaos Sariannidis
KRKonstantina Ragazou
Konstantina Ragazou
Ioannis PassasIoannis Passas
Ioannis Passas
Alexandros GarefalakisAlexandros Garefalakis
Alexandros Garefalakis
Corporate social responsibility can assist in reducing the noise caused by pricing volatility and a lack of energy-efficient business solutions. The study’s objective is twofold: (i) to investigate the role of corporate social responsibility (CSR) in reducing volatility through the contribution of energy-efficient strategies; (ii) to identify research trends in the field that may indicate future research directions for the development of more dynamic strategies that will help in mitigating the impact of pricing volatility. A five-step bibliometric analysis was applied to address the research question. The findings were visualized by using bibliometric tools such as R Studio, Biblioshiny, and VOSViewer. Chinese academics have been revealed as pioneers in integrating CSR into corporate strategies to reduce volatility and support energy-efficient investments. Moreover, results indicate that financial institutions must embrace a new business model based on both CSR and environmental, social, and corporate governance (ESG) principles. Since very little is known about the interaction structure between CSR and ESG in the mitigation of price volatility, the purpose of this article is to bridge that knowledge gap. The pioneering character of this research—the construction of a business model based on the principles of CSR and ESG—contributes significantly to both the field’s knowledge and the practice of corporate sustainability management.

16 October 2024 in Urban Science
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KRKonstantina Ragazou
Konstantina Ragazou
GZGeorgia Zournatzidou
Georgia Zournatzidou
GSGeorge Sklavos
George Sklavos
NSNikolaos Sariannidis
Nikolaos Sariannidis
An unsustainable rate of resource production and consumption is evident in urban environments. The absence of innovative approaches in conjunction with the exponential urbanization and expansion of the global population will inevitably result in substantial environmental consequences. There are two emerging alternatives: circular economy (CE) and urban metabolism (UM). The integration of these principles into novel methodology casts doubt on the linear model of contemporary economic and urban systems, which includes extraction, production, utilization, and disposal. In the development of a distinctive urban framework known as circular urban metabolism, the current study has illustrated the application of these principles. We design this study to motivate urban planners and decision-makers to investigate, develop, and supervise ecologically sustainable cities. Scholars from a variety of academic disciplines, intrigued by the intricacies of urban planning, design, and administration, can foster interdisciplinary collaboration in the circular urban metabolism (CUM) region. To address the research question, we implemented a bibliometric analysis, which involved the examination of 627 pertinent research papers, utilizing the R (R 3.6.0+) statistical programming language. The results emphasize the fundamental characteristics and significance of CUM in the management of refuse. In addition, the findings underscore the importance of creating a novel framework that incorporates the principles of urban political ecology, CUM, sustainability, and the novel dimension of waste metabolism. It is the goal of this framework to emphasize the significance of recycling in the informal sector as a waste management strategy in low- and medium-income countries (LMICs).

9 September 2023 in Administrative Sciences
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Anastasia CheliatsidouAnastasia Cheliatsidou
Anastasia Cheliatsidou
NSNikolaos Sariannidis
Nikolaos Sariannidis
Alexandros GarefalakisAlexandros Garefalakis
Alexandros Garefalakis
Ioannis PassasIoannis Passas
Ioannis Passas
Konstantinos G. SpinthiropoulosKonstantinos G. Spinthiropoulos
Konstantinos G. Spinthiropoulos
There is a consensus in the literature that whistleblowing can operate as an instrument for deterring wrongdoing and promoting transparency in organizations. As such, whistleblowing connects with sustainability, and in particular with the UN sustainable development goals (SDG 16, reducing corruption) for transparency and accountability in public sector entities. The purpose of this study is to explore the attitudes of public servants in Greek municipalities before and after the introduction of the “EU Directive on Whistleblowing”. In particular, we investigate how the political, legal, organizational, and cultural environment within which Greek municipalities operate shapes negative employee attitudes toward whistleblowing. Primary data was collected through in-depth interviews with municipal employees from 2020 to 2023 before and after the incorporation of the “EU Directive on Whistleblowing” into the Greek legal system. Our findings indicate that municipal employees are skeptical and have negative attitudes toward whistleblowing, even if they have witnessed wrongdoing, mainly due to: perceived low protection by the law; limited trust in authorities; absence of an ethical climate; inadequate whistleblowing education; fear of retaliation and social isolation; and concerns that reported crimes will remain unpunished. Important information is generated through this study that can inform practice in relation to political and sociocultural dynamics, and particularly key determinants that negatively influence and undermine the efficiency of the whistleblowing process in certain cultural and organizational contexts. The implications of our findings for regulators, researchers and government authorities are also presented. This study supports the position that whistleblowing is closely related to sustainability as a transparency-promoting mechanism, and should be integrated into strategies in the fight against misconduct, fraud and corruption in public sector entities.

10 January 2025 in Sustainability
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DKDimitrios Koemtzopoulos
Dimitrios Koemtzopoulos
GZGeorgia Zournatzidou
Georgia Zournatzidou
NSNikolaos Sariannidis
Nikolaos Sariannidis
(1) Background: Cryptocurrencies have a substantial environmental impact. In particular, the mining procedure that is employed to produce and finalize the transaction is energy-intensive and generates carbon emissions. Consequently, the objective of the present investigation is to investigate the function of cryptocurrencies in a sustainable development. This research specifically investigates the function of stablecoins, a novel subject in finance and academia that has the potential to foster a sustainable business environment. (2) Methods: A bibliometric analysis was performed using the R statistical programming language together with the bibliometric tools Biblioshiny and VOSviewer to fulfill the research objective. Data were obtained from the Scopus database, and their selection was completed using the PRISMA methodology. (3) Results: The results of the current research highlight the crucial role of stablecoins in promoting an alternative decentralized financial sector, offering a unique opportunity for the market to create a more inclusive and environmentally friendly financial ecosystem. Moreover, research indicates that stablecoins might convert Ethereum into a stable currency and enhance their ecologically friendly path. (4) Conclusions: Stablecoins have become a crucial tool in the unpredictable bitcoin environment, offering stability in a tumultuous market. The research indicates that users need to acknowledge the sustainability of asset collateral, and so far, only the regulation of stablecoins is progressing in this area.

Verified
Journal Article
Open access
PDF file
GZGeorgia Zournatzidou
Georgia Zournatzidou
GSGeorge Sklavos
George Sklavos
KRKonstantina Ragazou
Konstantina Ragazou
NSNikolaos Sariannidis
Nikolaos Sariannidis
(1) Background: This research aims to investigate the impact of environmental, social, and governance (ESG) factors on European banking corruption. Thus, its novelty is based on considering anti-competitive concerns as a major component that may considerably impact fraud and bribery in corruption investigations. (2) Methods: To approach the research question, we conducted an examination of anti-competitive practices at 344 financial institutions headquartered in Europe throughout the period 2018 to 2022 using the entropy weight and TOPSIS methods. (3) Results: This study reveals that anti-competitive actions are typified by environmental debate and genuine policy competition. Analysing the results prompted us to reach this conclusion. The present study’s findings reveal that financial institutions in Scandinavian nations demonstrate the most significant anti-competitive activity. (4) Conclusions: This research is the first study to underscore the concept of anti-competition disputes and their impact on the emergence of corruption, extortion, and fraud in the European banking sector. Although anti-competitive and corrupt practices may appear to be distinct concepts, they both lead to the financial sector acquiring disproportionate control over the market.