Τμήμα Οργάνωσης και Διοίκησης Επιχειρήσεων
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Πλοήγηση Τμήμα Οργάνωσης και Διοίκησης Επιχειρήσεων ανά Συγγραφέα "Athens University of Economics and Business, Department of Business Administration"
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Τεκμήριο Analysis of the factors influencing the export business strategy of the olive, cheese and wine enterprises in third countries(05/31/2022) Ntasiou, Styliani; Ντάσιου, Στυλιανή; Athens University of Economics and Business, Department of Business Administration; Lampaki, AntoniaThe purpose of this study is to analyse the factors influencing the exportactivity of wine, olive oil and cheese enterprises in Greece. Prior to presentingeach sector and the factors that affect the enterprises’ export strategy, theauthor conducted an extensive and comparative literature review of the theoryof export activity and strategic management. Then, each sector is analyzedseparately, as the author examines in depth both the domestic and externalenvironment that shape the export strategy of a company, in terms ofproduction, incentives, growth and barriers. In order to validate and examinethe literature review with the above, the researcher conducted a qualitativeresearch aiming to acquire business intelligence from some of the most activeexporting companies in Greece. These companies were also selected on thebasis of their involvement in the sector, their growing expansion and theirincreasing revenues. The aim of the analysis of these sectors is to learnuseful lessons in order to investigate which are the main incentives, thebarriers, their competitive advantages and the factors influencing their exportstrategy. The paper seeks to examine whether the conclusions can be appliedand to what extent for the strategic planning of an export activity of a currentor a new company in one the sectors analyzed. The bibliographic sourcesinclude articles, online business editorials, company sites, reports,publications, newspapers and databases of companies that provide usefulinsights for further research and implementation for any company of thesector.Τεκμήριο Business model portfolios and firm performance(21-12-2022) Ξενάκης, Μιχαήλ; Xenakis, Michail; Athens University of Economics and Business, Department of Business Administration; Papadakis, Vassilis; Soderquist, Eric-Klas; Πολλάλης, Ιωάννης; Papalexandris, Alexandros; Μαγκούτας, Αναστάσιος; Thanos, Ioannis; Manolopoulos, DimitriosΣε αυτή τη διατριβή, διερευνούμε την ετερογένεια στην απόδοση μεταξύ επιχειρήσεων που τηρούν χαρτοφυλάκια επιχειρηματικών μοντέλων. Χρησιμοποιώντας μια νέα θεωρητική οπτική για το θέμα, λαμβάνουμε υπόψη τα οφέλη και τα κόστη που σχετίζονται με διαφορετικά επίπεδα διαφοροποίησης-διασποράς των πηγών αξίας στο σχέδιο του χαρτοφυλακίου των επιχειρηματικών μοντέλων μιας επιχείρησης και κάνουμε την υπόθεση για μια σχέση αναστραμμένου σχήματος U με την εταιρική απόδοση. Χρησιμοποιώντας ένα μοναδικό σύνολο δεδομένων από 107 επιχειρήσεις στον κλάδο λογισμικού που τηρούν χαρτοφυλάκια επιχειρηματικών μοντέλων, βρίσκουμε υποστήριξη για μια καμπυλόγραμμη σχέση αναστραμμένου σχήματος U με την εταιρική απόδοση σε αυξανόμενα επίπεδα διαφοροποίησης-διασποράς των πηγών αξίας στο σχέδιο του χαρτοφυλακίου των επιχειρηματικών μοντέλων. Αυτή η διατριβή εστιάζει επίσης σε διατάξεις σχεδίων χαρτοφυλακίων επιχειρηματικών μοντέλων που σχετίζονται με υψηλή (χαμηλή) εταιρική απόδοση, βασιζόμενη στις ερευνητικές εργασίες των Amit και Zott και διεξάγει ποιοτική συγκριτική ανάλυση ασαφούς συνόλου (fsQCA) σε 107 επιχειρήσεις που τηρούν χαρτοφυλάκια επιχειρηματικών μοντέλων στον κλάδο λογισμικού. Από την έρευνα μας διαπιστώνουμε ότι η καινοτομία είναι βασική προϋπόθεση στα χαρτοφυλάκια επιχειρηματικών μοντέλων υψηλής απόδοσης. Διαπιστώνουμε επίσης ότι δεν υπάρχει διάταξη υψηλής απόδοσης που να δίνει έμφαση σε πολλαπλές πηγές αξίας ταυτόχρονα. Αναφορικά με αυτό, παρέχουμε τεκμήρια ότι οι διατάξεις που δίνουν έμφαση και σε όλες τις πηγές αξίας ταυτόχρονα στο σχέδιο του χαρτοφυλακίου οδηγούν σε χαμηλές εταιρικές αποδόσεις.Τεκμήριο Business plan: Fuel-it(31-01-2023) Στρίγκος, Αλέξανδρος; Strigkos, Alexandros; Athens University of Economics and Business, Department of Business Administration; Papalexandris, Alexandros; Deligianni, Ioanna; Salavou, HelenΗ διπλωματική εργασία αφορά την εκπόνηση ενός Business Plan το οποίο αφορά τη δημιουργία μιας Startup εταιρίας, η οποία θα παρέχει υπηρεσίες ανατροφοδότησης καυσίμων κατα παραγγελία σε μηχανήματα εργοταξίου.Τεκμήριο The capacitated vehicle routing problem. A comparison between integer linear programming and metaheuristic search methods(2021) Chiotis, Minas A.; Χιώτης, Μηνάς; Athens University of Economics and Business, Department of Business Administration; Kouretas, Georgios; Agoraki, Maria-Eleni; Nikolopoulou, AmaliaThis thesis presents a comparison between two ways of solving a Capacitated Vehicle Routing Problem (CVRP) - a special variation of the classic Vehicle Routing Problem (VRP) - with Linear Integer Programming versus metaheuristic methods from Operating Research Google developers (OR-Tools). This problem is traditionally as one of the most important issues for companies delivering goods and services and in general in the sector of Logistics and Supply chain. The scope of this thesis is to deliver the best solution between two different methodologies and propose the best use of them at any case they face.In the first part we can find the literature about the Supply Chain Management and the VRP problem in general and the variations of it. There are mentions about the creators and researchers of the sector and highlighting the milestones of their life which was dedicated in their work.We analyze that in the CVRP case we examine the scope of the problem is to serve as many as possible customers and to minimize the total distance of each truck aiming to minimize the total cost of transportation and maximizing the company’s profitability and competitive advantage against other providers. The constraint is the capacity of each vehicle which is not tolerated to be exceeded. The comparison between them focuses on which of the two methods is the most effective in a manner of time, precision, and efficiency.After that we analyze the methodologies we are going to use and based on we are going to implement the experiment at each case. Here we use the linear integer programming to solve the problem and on the other hand a bunch of metaheuristics which come from OR Tools. Details about the integration is listed in the proportionate chapter.Then implementation and conclusion take place and are starting to represent the whole mindset of the problem, the issues, the measurements and finally the results based on how we make our comparison. All in all, the outcome is different and at any case the user (manager) is called to make a decision that has to choose between these two methodologies.Τεκμήριο Change management, an approach to resistance to change and sensemaking(01/31/2022) Zappa, Maria; Ζάππα, Μαρία; Athens University of Economics and Business, Department of Business Administration; Thanos, IoannisChange management is a hot topic and despite the fact that nowadays a lot of literature hasbeen written and research has been done on this field, there are still blind spots of it, which giveenough space for more research and study. Change today is happening all the time and it is ofthe utmost importance for the sustainability and the prosperity of organisations. However, it is acknowledged that only a small percentage of changing programmes leads tosuccessful changes and one of the main reasons why changes fail is that people tend to resistchange. Therefore, a need has arisen to understand the factors that lead to resistance to change andto find out ways in which we can reduce resistance to change. At the same time, there is an approach to change management in terms of sensemaking andsensegiving and it is tried to investigate whether the terms of sensemaking and sensegiving arerelated somehow to resistance to change and its reduction. In addition to those mentioned above, being the same employee of an organisation thatpromotes change and development, I have experienced several changes, sometimes bigger andsometimes smaller. Changes related to technology, human resource management,organisational structure, and strategy of the organisation and which sometimes directly affectall employees, while in other cases the impact of change focuses more on specific groups andlevels of employees. Changes that may have come as a reaction, or proactive changes, otherscaused by external factors or by internal, planned, and unplanned changes. Sometimes I havecaught myself hesitating in the face of an impending change and consciously or evenunconsciously resisting it. While other times I observe colleagues showing such behaviours andsupervisors trying to deal with them and overtake them. Furthermore, from the technology point of view, the 4th industrial revolution (Industry4.0) is a reality and is changing the world as we know it. Changes are today more than everpart of our lives and the field of change management must be studied in depth and in all of itsaspects.Τεκμήριο Chinese walls within the ECB after the establishment of the single supervisory mechanismKontogiannis, Alexis; Athens University of Economics and Business, Department of Business Administration; Athens University of Economics and Business, Department of Marketing and Communication; Gortsos, ChristosThe object of this diplomatic is the ''Chinese walls within the ECB after the establishment of the single supervisory mechanism''. Initially there will be a presentation of the ECB and the SSM and then an observation to the nexus between monetary policy and banking supervision on the euro – area, as well as the interaction between these two functions and the conflicts of interests that may arise. Moreover, we will focus on the important issue of the rationale for the separation of the above functions and the absolute necessity for the creation of “ Chinese walls”. European Central Bank - ECB is the central bank responsible for the monetary system of the European Union (EU) and the euro currency. The bank was formed in Germany in June 1998 and works with the other national banks of each of the EU members to formulate monetary policy that helps maintain price stability in the European Union. The first step towards creatingthe ECB was the decision, taken in 1988, to build an Economic and Monetary Union: free capital movements within Europe, a common monetary authority and a single monetary policy across the euro area countries. The Euro-system is responsible for: defining and implementing monetary policy, conducting foreign exchange operations, holding and managing the euro area’s foreign currency reserves and promoting the smooth operation of payment systems. The ECB carries out specific tasks in the areas of banking supervision, banknotes, statistics, macro-prudential policy and financial stability as well as international and European cooperation. The operational framework of the Euro-system consists of the following set of instruments: open market operations, standing facilities and minimum reserve requirements for credit institutions. In addition, since 2009 the ECB has implemented several non-standard monetary policy measures, i.e. asset purchase programs, to complement the regular operations of the Euro-system. The Single Supervisory Mechanism (SSM) is the mechanism which has granted the European Central Bank (ECB) a supervisory role to monitor the financial stability of banks based in participating states, starting from 4 November 2014. Eurozone states are obliged to participate, while Member states of the European Union outside the euro-zone can voluntarily participate. As of 3 November 2014, none of the non-euro-zone member states had opted to join, although the ECB reported that some of them had expressed an interest in joining, and that talks were being held with each of them to map which changes to national legislation need to be adopted in order to become a SSM member. The SSM is the first established part of the EU banking union, and will function in conjunction to the Single Resolution Mechanism. A first limit to the scope of the SSM is geographical: the SSM will only cover a part of the EU member states. It will hence contribute to what is known as multi-speed Europe. A second limit is the fact that the SSM only deals with bank supervision. Supervision of the rest of the financial sector (for example insurance firms) remains a national competence. In addition, some aspects of bank supervision (for example consumer protection) remain a task for national supervisors. The 19 euro-zone member states participate automatically in the SSM. The last country to join was Lithuania, when it joined the euro-zone on 1 January 2015. Since the EU treaties onlygive the ECB jurisdiction over euro-zone states, legally it cannot enforce measures in non-eurozone states. This would prevent the ECB from effectively carrying out its supervisory role in these states. Under the European Treaties, non-euro-zone countries do not have the right to vote in the ECB's Governing Council and in return are not bound by the ECB's decisions. Non-eurozone countries cannot become full members of the SSM in the sense of having the same rights and obligations as euro-zone SSM members. However, non-euro-zone EU member states can enter into a "close cooperation agreement" with the ECB. The banks in that country are then supervised by the ECB and the country gains a seat in the ECB's Supervisory Board. It would allow banks in that country to be supervised by the ECB provided that they have mechanisms in place to make ECB measures binding upon national authorities. A "close cooperation" agreementcan be ended by the ECB or by the participating non-euro-zone member state. Participating noneuro- zone states will also gain a seat on the ECB's Supervisory Board.The procedure for non-euro-zone states to join SSM through "close cooperation", regulating the timing and content of applications and how the ECB shall assess such applications and the practicalities of admitting new members, was outlined by Decision ECB/2014/510. The decision entered into force on 27 February 2014. As of 3 November 2014, no requests to enter into "close cooperation" have been notified in line with the prescribed procedure. Nonetheless, the ECB has received informal expressions of interest from some none-euro-zone Member States, and is currently organizing bilateral meetings with them with a view to their possible entry into close cooperation arrangements.Τεκμήριο Cloud adoption: a new challenge that companies have to face(03/16/2022) Barmpa, Melina; Μπάρμπα, Μελίνα; Athens University of Economics and Business, Department of Business Administration; Mamakou, XeniaThe purpose of this study is to identify and assess the factors that may influence a company's decision to adopt cloud computing in the Greek market. This study firstly discusses some of the major challenges and difficulties for cloud computing from an organizational and technical perspective. Various research challenges relating to the following topics are discussed: the organizational changes brought about by cloud computing; the economic and organizational implications of its utility billing model; the security, regulatory, business continuity and privacy issues that cloud computing raises, as well as the trust that company and cloud provider should develop. Then, the various approaches and theories that have been used in order to evaluate Cloud Adoption are analyzed and for this research, a framework that combines both TOE and cost factors is selected. Considering an already adopted framework, a questionnaire was designed and completed by the management of a variety of companies in Greece. Then, a qualitative analysis of the results was performed according to PLS-SEM methodology via the SmartPLS tool.The study results determined that management’s perception of technical and environmental factors significantly influences the adoption of cloud computing. Moreover, the result of the study also indicates that regarding the technical factor, security is one of the significant factors that influence this decision both in terms of the measures and the mechanisms that cloud providers have in place. Regarding environmental factors, as one or more cloud providers provide the Cloud computing solutions, the cloud provider’s expertise in the industry’s solutions, the references that may have as well as the number and the variety of the cloud providers that offer adequate services have a significant impact on the company's decision.Τεκμήριο The connection between monetary policy and financial marketsChachlioutakis, Christos; Athens University of Economics and Business, Department of Business Administration; Athens University of Economics and Business, Department of Marketing and Communication; Philippopoulos, ApostolisThe dissertation examines the link between monetary policy and financial markets and how shifts in monetary policy affects a wide variety of financial products such as bonds, stocks and derivatives. The relationship between monetary policy and financial markets is by no means a one way street however. Markets reflect the expectations of market participants about future economic and monetary developments. These expectations, provide valuable information for central banks in determining the optimal future course of monetary policy. The recent financial crises has confronted central banks with a lot of questions about the theory of monetary policy and the results of the policy, in general. Monetary authorities throughout the world have been responding to the crisis by taking both conventional and unconventional policy measures. Monetary policy and financial markets are fully linked. Central banks conduct monetary policy by directly and indirectly influencing financial market prices. The relationship between monetary policy and financial markets is by no means a one way street, however. Financial market prices reflect the expectations of market participants about future economic and monetary developments. These expectations, in turn, provide valuable information for central banks in determining the optimal future course of monetary policy. In the vast majority of nations (or group of nations) central banks operate under regulations that refer to additional objectives such as full employment, maximum sustainable growth, stable interest rates or stable exchange rates. To meet their objectives, central banks intervene in financial markets. It is through the financial markets that monetary policy affects the real economy. In other words, financial markets are the connecting link in the transmission mechanism between monetary policy and the real economy. Monetary policy affects financial markets through various channels. However, the transmission process from monetary policy to financial markets and finally to the real economy has a single source: the monetary policy instrument as it noted by Philipp Hildebrand (2006). Typically, the monetary policy instrument is a financial market price which is directly set or closely controlled by the central bank. For most central banks with floating exchange rates, the monetary policy instrument is a short-term interest rate. Under fixed exchange rate regimes, a particular exchange rate serves as the instrument. Under monetary targeting regimes, the instrument is typically the quantity of central bank money in the banking system. The precise sequence of the monetary transmission mechanism depends on the instrument which is used. As it mentioned above, the link between monetary policy and financial markets is not a one way street. Financial market prices reflect market expectations about future, such as inflation, output, and the likely course of monetary policy. It is therefore natural and appropriate for central banks to evaluate closely the information contained in market prices. In other words, market expectations can and should influence the setting of monetary policy. However Philipp Hildebrand (2006) mentioned that central banks must exercise caution in using the information extracted from market expectations as an input to formulating monetary policy. The information value of financial market prices for monetary policy purposes decreases to the extent that they no longer reflect an independent evaluation by millions of market participants about probable future developments in the economy and in financial markets. Alan Blinder (1998) said the «dog chasing its tail» problem: Financial markets look for guidance from the central bank, the central bank looks for guidance from financial markets, and both parties temporarily lose sight of the underlying factors determining inflation, namely the output gap in the short to medium-un, and. To avoid this trap, central banks should exercise due caution when making use of financial market expectations. Financial markets provide useful information for a central bank in search of the optimal monetary policy path. But, as Otmar Issing (2005) said, central banks must ensure that they do «not end up merely executing the expectations developed in the market». The information about expected future developments reflected in market prices must be continuously cross-checked against a wide range of monetary and economic indicators in what amounts to a «checks and balances» approach to monetary policy.Τεκμήριο CX in the video streaming industry(2021) Tsaknaki, Eirini; Athens University of Economics and Business, Department of Business Administration; Siomkos, George I.; Baltas, George; Indounas, KonstantinosThe current pandemic affected many industries, but only a few as radically as those that rely on face-to-face interactions and in-person experiences. The most prominent such example would be Entertainment and Media. Customers turned massively to content platforms in lack of alternatives such as cinema, theatres and concerts, accelerating a pre-existing trend. However, as the world tries to recover, some changes might persist, yet others can be easily reversed. In this light, this work discusses the elements that shape customer expectations regarding paid video streaming platforms (SVOD). Through qualitative and quantitative research, valuable insights have been generated to facilitate the understanding of what customers look for and what they value when it comes to SVOD platforms. The lack of ads, range of content, ease of use & media quality have been chosen by more than 85 of the sample as the top most important platform features. Further analysis has shown that the multidimensional factors of content & contract (commitment, price & ease & safety of payments) affect all CX Metrics under examination (NPS, CSAT & Retention). Personalisation significantly affects NPS & CSAT whereas, the ease of use impacts only the retention proxy.Τεκμήριο Deception in negotiations(04/04/2022) Makrygiannis, Evangelos; Μακρυγιάννης, Ευάγγελος; Athens University of Economics and Business, Department of Business Administration; Manolopoulos, Dimitrios; Thanos, Ioannis; Kapoutsis, IliasThis study investigates deception as a strategy in negotiations and how competitiveness influences the tendency to use deception in negotiations. The opponent’s perceived competitiveness and the negotiation’s medium relation to the use of deception is examined. We attempt to realize the reactions of the negotiator when deception is disclosed and their connection to competitiveness. Adopting the “Competitiveness Index” and the “Self-reported Inappropriate Negotiation Strategies” (SINS) scale, we conducted an online survey that we addressed to 130 participants (65 men and 65 women), in order to measure the perceived competitiveness and the tendency to use deception in negotiations respectively. We found that the tendency to use deception is influenced positively by the perceived competitiveness of the negotiator. We further found a positive moderation by the opponent’s perceived competitiveness on the effect of the negotiator’s perceived competitiveness on deception. However, we observed that in higher levels of the opponent’s perceived competitiveness, the negotiator’s tendency to use deception decreases. We additionally showed that the decision to use counter-deception is influenced by the negotiator’s perceived competitiveness when deception from the opponent is disclosed. The more competitive a negotiator is, the more possible it is to react with counter deception In the last part, we discussed the theoretical and practical implications, and presented the limitations of our study with some suggestions for future research.Τεκμήριο Differences in innovation efforts and the moderating effect of managerial composition impact on premium paid in M&A transactionsKyratzi, Aikaterini; Athens University of Economics and Business, Department of Business Administration; Papadakis, Vassilis; Manolopoulos, Dimitrios; Papadopoulos, AndrewΤεκμήριο Disruptive innovation in online shoppingKaragianni, Niki; Athens University of Economics and Business, Department of Business Administration; Athens University of Economics and Business, Department of Marketing and CommunicationOnline Market: We explore how big is the online market and its expected growth in consumers and businesses.Free Time: Based on researches that declare the amount of free time needed, we describe why it affects the online market’s growth.Buying Frequency and Habits: We explore which countries have the biggest online sales, how much the average person spends and what is the penetration rate.Trends in Online Shopping Activity: Which generation spends more online? Which are the products people buy online more frequently? Through which channels? A number of statistics regarding the American audience show us the factors that define the online consumer.Questionnaire: A questionnaire that analyzes the income, the average free time, the online activity and more specifically the online shopping activity of modern Greeks was filled by 205 people.Business Plan: We examine the opportunities of developing a new Social Networking platform, designed specifically for shopping.Conclusion: Could our Social Networking platform be the disruptive innovation the online market needs?Τεκμήριο Employee performance: understanding the effects of regulatory focus and organizational politics(31-01-2020) Μπουζά, Αικατερίνη; Bouza, Aikaterini; Athens University of Economics and Business, Department of Business Administration; Σαλαβού, Ελένη; Νικολόπουλος, Ανδρέας; Καπουτσής, ΗλίαςΧωρίς αμφιβολία, η απόδοση των εργαζομένων είναι εξαιρετικά κρίσιμη για τη συνολική επιτυχία μιας εταιρείας. Ειδικά στις μέρες μας, όταν τα επιχειρηματικά περιβάλλοντα υπόκεινται σε γρήγορες και τεράστιες αλλαγές λόγω της ουσιαστικής τεχνολογικής εξέλιξης, λόγω των διαφορετικών υπαλλήλων και του γεγονότος ότι ο ανταγωνισμός είναι πιο έντονος από ποτέ, θεωρείται ότι η απόδοση των εργαζομένων οδηγεί την επιχειρηματική απόδοση.Η επιτυχία μιας εταιρείας επιτυγχάνεται τελικά λόγω ενός συνεχούς καθορισμού στόχων τόσο σε ατομικό όσο και σε επίπεδο ομάδας. Οι εργαζόμενοι θέτουν στόχους για να ολοκληρώσουν τα πράγματα, να εκπληρώσουν τις υποχρεώσεις τους στην εργασία και να επιτύχουν προσωπική εξέλιξη και ικανοποίηση από την εργασία. Επιπλέον, η επίτευξη των στόχων τους θα καταλήξει να βοηθήσει τη συνολική απόδοση των επιχειρήσεων και με αυτόν τον τρόπο η επίτευξη προσωπικού στόχου είναι ένας από τους πιο σημαντικούς παράγοντες στην απόδοση των εργαζομένων.Οι επιτυχημένοι υπάλληλοι τηρούν τις προθεσμίες, πραγματοποιούν πωλήσεις και δημιουργούν τη συνολική εικόνα της εταιρείας. Όταν οι εργαζόμενοι δεν αποδίδουν αποτελεσματικά, οι καταναλωτές δεν ενδιαφέρονται πλέον για τα προϊόντα ή τις υπηρεσίες της εταιρείας και ως εκ τούτου, οι οργανισμοί υφίστανται μεγάλες ζημιές και απώλεια κερδών.Τεκμήριο Gamified prospect of Human Resource DepartmentPantazis, Ioannis; Athens University of Economics and Business, Department of Business Administration; Athens University of Economics and Business, Department of Marketing and Communication; Doukidis, GeorgiosThis thesis reviews the growing trend of using ‘Gamification’ within traditional enterprise human resources (HR) processes and practices. As gamification quickly becomes a hot topic across a wide range of industries, business functions and academia, and now holds a place in the Oxford English dictionary, it is a concept that has been hailed as a “game changing layer" and mocked as a “useless buzzword". According to Gartner (2012), Gamification will be in 25% of redesigned business processes by 2015, will grow to a $2.8 billion business by 2016 and 70% of the top global 2000 businesses will have at least one ‘gamified’ application by 2014. Research shows that amongst the initial adopters of gamification mechanics is the corporate HR department. Pioneers within the function are working with industry analysts and gaming organizations to build gaming platforms to deliver loyalty based or game based applications for their employees. This thesis will explore the literature available to date on this new but growing concept along with the fundamentals of people motivation and engagement mechanisms and explore how it HR professionals can support the strategic goals on employee training with gamification platforms. The document begins by examining the fundamentals of people motivation and engagement. It then focuses on the mechanism of interest creation and presents the flow theory. Following this, the thesis assesses how engagement, motivation and interest affects learning and will shortly present the Fogg Model. In addition, the basis of gamification are explained by presenting the game environment, the game elements and the game design. Closing the literature review, the thesis examines the challenges that gamification faces when it comes to be applied on corporate learning and we will present the commonly used methodology of applying gamification. In the next chapters of this thesis we describe the used methods for the research and data collection. The thesis will follow the Core Attitudinal Model in order to identify how job satisfaction dimensions affect the employees’ intention of participating in corporate trainings and how the induction of gamification elements may affect these intentions. The findings indicate that game and gamification can be used in the context of training as a tool to increase the engagement, motivation and interest towards the training activities in cases that employees’ willingness to participate is very low.Τεκμήριο The great leader is "Polytropos"(2018) Papantoniou, Panagiotis; Athens University of Economics and Business, Department of Business Administration; Papadakis, Vassilis; Kapoutsis, Ilias; Bourantas, DimitrisThis Masters dissertation deals with Homers Odyssey, the second largest epic work after Iliad. The aim of which is to analyse a multi-dimensional leading figure, that of Odysseus in all aspects of his deeds and experiences. Homer before unfolding the story refers to Odysseus as Polytropos. The concept of Polytropos is not limited to a combination of skills but to a dynamic totality of behavioural characteristics, skills and values that are in constant interdependence. This dissertation, therefore, highlights not only the leadership skills and deeds of Odysseus, but also who Odysseus is as a human. Thus, this dissertation analyses the meaning of Odysseus as Polytropos both as ‘mind’ and ‘idea’ as well as his social and leadership behaviour. In addition, specific accounts of Odyssey are analysed, in which Odysseus appears both as Polytropos as well as Monotropos. The aim of this dissertation is through the analysis of Odysseus and the challenges he faced to provide some practical advice to business executives in order for themselves to become Polytropoi in a volatile, dynamic and uncertain environment.Τεκμήριο Greek IT SME company strategic analysis(03/06/2019) Dimitrakopoulos, Charalampos; Athens University of Economics and Business, Department of Business Administration; Ioannidis, Antonios; Manolopoulos, Dimitrios; Papadakis, VassilisThe objective of the current study is to create a strategic analysis for a Greek Information Technologies Small Medium Enterprise.Τεκμήριο Guide for shipowners to invest in ammonia as a promising marine fuel(31-01-2023) Σιδέρης, Έλιο; Sideris, Elio; Athens University of Economics and Business, Department of Business Administration; Panagiotou, Nikolaos; Gayialis, Sotiris; Papadopoulos, GeorgiosΗ ναυτιλιακή βιομηχανία αντιμετωπίζει προκλήσεις στην εφαρμογή νέων τεχνολογιών και πρακτικών προκειμένου να ανταποκριθεί στον αυξανόμενο αριθμό κανονισμών που στοχεύουν στη μείωση των εκπομπών από τα πλοία, συμπεριλαμβανομένων των οξειδίων του θείου (SOx), των οξειδίων του αζώτου (NOx), των σωματιδίων (PM), του άνθρακα και του θερμοκηπίου Εκπομπές αερίων (GHG). Αυτοί οι κανονισμοί εισάγονται από διάφορους οργανισμούς όπως ο Διεθνής Ναυτιλιακός Οργανισμός (IMO), η Ευρωπαϊκή Ένωση, η Υπηρεσία Προστασίας του Περιβάλλοντος των Ηνωμένων Πολιτειών, το Συμβούλιο Αεροπορικών Πόρων της Καλιφόρνια και άλλες οντότητες. Αρκετές τεχνολογίες αξιολογούνται επί του παρόντος ως μέσο μείωσης των εκπομπών άνθρακα στη ναυτιλιακή βιομηχανία.Η δυνατότητα για την αμμωνία (NH3) ως καύσιμο μηδενικών εκπομπών άνθρακα αναγνωρίζεται ως ένα μέσο για την ταχεία επίτευξη των στόχων μείωσης των αερίων του θερμοκηπίου που έχουν τεθεί από τον Διεθνή Ναυτιλιακό Οργανισμό (IMO) για το 2050. Η αμμωνία θα προσφέρει στους πλοιοκτήτες και τους χειριστές μηδενικού άνθρακα προφίλ εκπομπών, ανεξάρτητα από την πηγή του καυσίμου, από την αποθήκευση έως την πρόωση. Παρά τις απαιτήσεις τοξικότητας και χειρισμού, έχει πραγματοποιηθεί παλαιότερη ανάπτυξη κινητήρων αμμωνίας και τρέχουσα ανάπτυξη κινητήρων πλοίων που χρησιμοποιούν υπάρχουσες τεχνολογίες κινητήρων διπλού καυσίμου (Dual Fuel). Σχέδια για πλοία τροφοδοσίας με αμμωνία έχουν παρουσιαστεί από κοινοπραξίες σχεδιαστών, νηογνώμονες και ναυπηγεία. Ωστόσο, για να καταστεί η αμμωνία μια εμπορικά βιώσιμη μακροπρόθεσμη επιλογή καυσίμου, θα πρέπει να κατασκευαστούν και να εφαρμοστούν ολοκληρωμένοι κανονισμοί υποδομής και ασφάλειας, παρόμοιοι με εκείνους άλλων εναλλακτικών καυσίμων. Επιπλέον, η αμμωνία έχει μεγαλύτερες απαιτήσεις περιορισμού και εξοπλισμού σε σχέση με τα περισσότερα άλλα εναλλακτικά καύσιμα και είναι ένα παγκόσμιο εμπορεύσιμο προϊόν. Πολλοί μικρότεροι φορείς αερίου μπορεί να είναι κατάλληλοι ως πλοία ανεφοδιασμού.Αυτή η μελέτη αναλύει διάφορες πτυχές της αμμωνίας, συμπεριλαμβανομένης της παραγωγής της τόσο από ορυκτά καύσιμα όσο και από ανανεώσιμες πηγές ενέργειας μέσω διαφορετικών μεθόδων επεξεργασίας, όπως η προεπεξεργασία, η σύνθεση και η μετατροπή. Επιπλέον, εξετάζει τη δυνατότητα μετατροπής της περίσσειας ηλεκτρικής ενέργειας σε υδρογόνο, το οποίο μπορεί στη συνέχεια να μετατραπεί σε αμμωνία μέσω της διαδικασίας μετατροπής ισχύος σε αμμωνία. Μόλις παραχθεί, η αμμωνία στη συνέχεια αποθηκεύεται, μεταφέρεται και διανέμεται στους καταναλωτές για χρήση. Η μελέτη καλύπτει γνωστές διαδικασίες παραγωγής όπως η διαδικασία Haber-Bosch, η ηλεκτροχημική διαδικασία, ο θερμοχημικός κύκλος και τα προηγμένα συστήματα παραγωγής αμμωνίας. Η μελέτη αξιολόγησε την καταλληλότητα εναλλακτικών καυσίμων για την αντικατάσταση του Heavy Fuel Oil (HFO) ως καυσίμου πλοίων μέσω μιας ανάλυσης ευαισθησίας. Η μελέτη στόχευε επίσης να προσδιορίσει τη δυνατότητα επτά εναλλακτικών καυσίμων να αντικαταστήσουν το HFO με τη διεξαγωγή αξιολόγησης σε επίπεδο στόλου.Τεκμήριο Hedging an equity portfolio using volatility options(09/27/2021) Simantirakis, Michail; Σημαντηράκης, Μιχαήλ; Athens University of Economics and Business, Department of Business Administration; Spyrou, Spyros; Agoraki, Maria-Eleni; Kasimatis, KonstantinosThe purpose of this dissertation is to demonstrate how classic portfolios can benefit from implied volatility. Information about the introduction of implied volatility indices and volatility derivative instruments are presented, as well as the desirable characteristics of the implied volatility, which lead investors to create portfolio strategies including the appropriate implied volatility derivatives. The strong negative correlation between implied volatility indices returns and the returns of equities combined with the asymmetric relation between their returns during negative and positive days of returns on equities are the main characteristics that enhance the interest for diversification or hedging through mixed portfolios of equities and implied volatility. A variety of academic research around volatility strategies is also presented. An empirical application of strategies is implemented using the core European Equities Index (STOXX 50) and the corresponding European Volatility Index (VSTOXX). The application investigates whether it is possible to provide diversification or hedging on an equity portfolio during tough periods in financial markets, like the COVID-19 market crash in March 2020. The implementation of the strategies uses threshold models of implied volatility which give signals for adding the appropriate volatility options in the equity portfolios when it is considered necessary. The strategies create different portfolios which are compared in between them and with the benchmarking equity index portfolio. Characteristics and performance metrics, such as Sharpe ratio, Loss deviation, and conditional-VaR are calculated for evaluating the performance and the risk of portfolios. The results of the empirical application despite the limitations are consistent with previous studies and show that implied volatility derivatives could provide the desired diversification and hedging during a market crash, but investors must be willing to pay the cost of the premiums when the market is stable or rising.Τεκμήριο How leader’s self-criticism can influence employees’ creativity, voice and engagement through politics perceptions(10/16/2018) Markaki, Christina; Athens University of Economics and Business, Department of Business Administration; Papadakis, Vassilis; Bourantas, Dimitris; Kapoutsis, IliasThe achievement of favorable work-outcomes by employees is emerging as a critical organizational issue, especially as organizations struggle to respond to what is a continuously changing environment. The role of effective Leadership has been widely examined for its influence on employee behavior and feelings. The purpose of this study is to contribute to Leadership and Organization Behavior literature by examining a very well-defined Leader behavior, the act of Self-Criticism, and its influence on three employee work outcomes – Creativity, Voice and Engagement. The study also aims to contribute on research that explores the relationship among Leadership, context, and work outcomes, as it uses employee perception of organizational politics as the mediator variable to explain the aforementioned relationship. To address my objectives, I conducted an online survey (N= 152) using Prolific Academic - an online labor marketplace. I demonstrated that Leader Self-Criticism has a positive direct effect on employee Creativity, Voice, Engagement and Organizational Politics Perceptions and that the later, indeed, acts as a mediator variable. The theoretical and managerial implications of the findings are discussed in relation to Organizational Change, Leadership and the Positive Psychology movement.Τεκμήριο How leaders use technology to influence followers' work outcomes: the mediating role of trust(09/30/2021) Stavreli, Maria A.; Σταυρέλη, Μαρία Α.; Athens University of Economics and Business, Department of Business Administration; Thanos, Ioannis; Vakola, Maria; Kapoutsis, IliasThe purpose of this thesis is to focus on how leaders can build trust in their followers, especially in the new era the whole world is going through. The outbreak of the pandemic COVID-19 turned out as a catalyst for change and demanded rapid technological developments to help companies to adopt virtuality. Even those that had not yet accepted the impact of industry 4.0, must now adapt through digitalization. Among other things, the pandemic was a massive experiment in teleworking. As teleworking will likely continue long after the pandemic, it is extremely interesting to examine how leaders will be able to inspire confidence and trust in employees, in a technology-mediated way, achieving improved work outcomes under the new circumstances. Pandemic consequences are an extremely new obstacle that companies must face. For this reason, the present thesis aims to provide an answer to the question: “how leaders use technology to influence followers’ work outcomes through trust-building.
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