Research Seminar Series

Research seminars are often associated with particular research projects or current affairs and run during throughout the academic year. These seminars are directed primarily at Faculty members, but postgraduate students and corporate members are usually welcome.



Tuesday , June 6 | Evangelia Siachou "Humility in leadership and employee voice: the mediating role of employee intention to share knowledge and the moderating role of organizational tenure"

Abstract: Recently, leader humility has attracted scholarly attention in organizations studies. It is considered as a key antecedent to employees’ extra-role behavior and a contextual factor that is associated with many positive employee and organizational outcomes. In this study, we provide a better understanding of the role of leader humility in employee voice by examining simultaneously the mediating role of intention to share knowledge and the moderating role of organizational tenure. Results from 209 medical representatives supported the study hypotheses indicating that leader humility is related to employee voice via intention to share knowledge and this relationship is stronger for shorter tenured employees than longer tenure ones. The study also provides implications for both theory and practice


Tuesday, February 25| Dr. Quy Huy, INSEAD "Do we have time to change now? How tensions in valorizing time influence planned organizational change"

Abstract: Despite the importance of organizational members’ worktime for the implementation of organizational change, studies of how organizational members’ worktime is valued and reallocated during change remain rare. To illuminate this important but underexplored issue, we investigated how members responded to the time requirements of a change initiative in a multidivisional engineering company. Our analysis revealed that the ways in which members responded to the reallocation of their time – required to implement organizational change – reflected the different ways in which they (and their organization) valued and structured the reallocated time. In particular, three types of value became salient: economic value, social-symbolic value, and personal-symbolic value. Tensions among the time requirements and these three types of values explain variation in the degree to which members felt energized and allocated their worktime to the initiative, and more or less actively resisted the process. This variation significantly influenced the evolution of planned organizational change, in particular its time-delivery goals and pace. Our theoretical insights have significant implications for understanding the valuation and use of organizational members’ worktime during a planned change process.


Tuesday, January 14 | Dr. Thanos Papadimitriou, SDA Bocconi "Legitimate vs. Illegitimate: The Luxury Supply Chain and its Doppelgänger"

Abstract: The increase in international trade, the advances in technology, the growing importance of the emerging markets are the main factors that have contributed to the explosion of counterfeiting experienced in recent years, estimated to be valued at about 5-7 per cent of the world trade. The luxury industry in Italy has been particularly hard hit and most brands nowadays are urgently looking for demand-side and supply-side strategies to track and control the phenomenon. The aim of this paper is to provide a supply chain view of counterfeiting and illegitimate trade phenomena, in a supply chain risk management perspective, to define and illuminate the interaction of the legitimate and the illegitimate supply chains. 


Tuesday, December 12 |   Dr. Ioanna Boulouta, Birkbeck College, University of London "Designing effective Corporate Social Responsibility strategies to engage consumers in ethnocentric environments"

Abstract: One of the most popular Corporate Social Responsibility strategies nowadays is Cause Related Marketing (CRM) where a firm promises to give part of the profits from sales of its products to a designated social cause, benefiting people in national or international places. However, current business practice prefers donating to social causes nationally rather than internationally, resulting in a shortage of funds going to international causes. Surprisingly, this happens despite any conclusive academic evidence about a consumer preference for national rather than international locations. This study aims to shed some light on how consumers respond to CRM campaigns that benefit people in various geographic locations. Towards this objective an advertisement-based survey experiment of consumers in UK has been employed. 


Tuesday , June11 |  Evangelos Benos, The Bank of England "Centralized trading, transparency and interest rate swap market liquidity: evidence from the implementation of the Dodd-Frank Act"

 Abstract: We use proprietary transaction data on interest rate swaps to assess the effects of centralized trading, as mandated by Dodd-Frank, on market quality. Contracts with the most extensive centralized trading see liquidity metrics improve by between 12% and 19% relative to those of a control group. This is driven by a clear increase in competition between dealers, particularly in US markets. Finally, centralized trading has caused inter-dealer trading in EUR swap markets to migrate from the US to Europe. This evidence is consistent with swap dealers attempting to avoid being captured by the trade mandate in order to maintain market power.


Tuesday, April 9 |  Ioulia Bessa, University of Leeds "Examining the link between flexibe working arrangement bundles and employee work effort"

 Abstract: Empirical evidence regarding the link between flexible working arrangements (FWAs) and work effort is still mixed, with literature showing that some practices are linked to more work effort while others to less work effort. In this study, we propose that this discrepancy may be due to the existence of different FWA bundles. Using Understanding Society, a national survey conducted in the UK, and building on theories related to social exchange, the study examines the link between different FWA bundles, i.e. employee-centered and employer-centered, and employee work effort manifested intensively (e.g. job strain, job tension) or extensively (e.g. overtime, working hours). The study further tests whether these relationships differ depending on employees’ family responsibilities. Based on a sample of 13,834 employees, results show that both employee- and employer-centered FWA bundles are negatively associated with intensive and extensive work effort, with findings for the employer-centered bundle being more pronounced. Furthermore, results show that these negative associations are generally stronger for employees who have fewer rather than more family responsibilities.


Friday, March 29 |  Jordan Siegel, University of Michigan "Is U.S. formalized lobbying more about nefarious corruption of benign industry information provision? Evidence from foreign firms lobbying in the U.S."

 Abstract: The literature on lobbying and corruption is at an impasse between those studies arguing that U.S. formal corporate lobbying with mandated disclosure is primarily a conduit for corruption and other studies that contend that this type of corporate lobbying is primarily about benign industry information provision to policy makers. A study by Fisman and Miguel (2007) demonstrated how home country corruption is a robust predictor of corrupt behavior by home country-based groupings of foreign diplomats residing in the United States. In this study, using a rarely utilized data set on U.S. formal lobbying with mandated disclosure at the federal level, we ask whether instrumented home country corruption is a robust predictor of U.S. formal corporate lobbying with mandated disclosure by home country-based groupings of foreign companies operating in the United States. In a counterintuitive finding, we show that U.S. formal lobbying is far more likely to be conducted by companies from the least corrupt home countries. This is true after relying on a proven instrumental variables (IV) approach for identification and after ruling out other alternative explanations based on country wealth, industry portfolio, and innovation. Overall, the results are consistent with the idea that U.S. formal corporate lobbying is relatively more about benign industry information provision to policy makers than about nefarious corruption. Other channels such as bribery still could remain for companies from the most corrupt countries to engage in nefarious corruption in the United States.


Tuesday, February 12 |  Evy Sakellariou, Kingston University "The slacklining trajectory in creative project evolution"

Abstract:  Past research has found that creative projects evolve in organizations through either formal or informal (ie., bootlegging and creative deviance) channels. We generate new theory about creative projects that evolve by combining access to both formal and informal channels. Using a real-time and in-situ study of the creative leadership, we examine how a leader on a creative project in a Southern European subsidiary of a Fortune 500 multinational corporation transforms an existing situation of a creative project into a preferred one by discerning a slacklining trajectory that combines legitimate evolution in the formal channel; illegitimate evolution in the informal channel; and tactical switching between the formal and informal channels aimed at maximizing the creative project’s chances of success. We identify five behavioral components of slacklining—brokerage, selective concealment, shared wins framing, use of time, and creative licensing--that are configured in different ways depending on the target of slacklining. We develop a grounded theoretical model that describes slacklining as a politically-driven manifestation of integrative creative leadership that alters decisively the balance of power among the structural barriers, structural enablers and structural gaps that affect the evolution of creative projects in organizations. We discuss implications for theory and research on creative counter-role behaviors, creative leadership, and creative projects.


Tuesday, Janury 8 |  Marios Samdanis, Brunel University London "From Measuring to Organising for Social Impact: A Conceptual Framework for Social Impact and Organisational Design"

 Abstract: Social entrepreneurship is a widespread paradigm worldwide, as social enterprises aim to tackle local and global challenges, such as mitigating social and economic inequities, or responding to humanitarian crises and environmental threats, such as climate change and natural disasters. Social enterprises are forceful in terms of putting forward their social mission, yet they often encounter challenges when it comes to setting and evaluating their social impact. This paper introduces a conceptual framework that delineates social impact as a negotiated and socially constructed process, which should be integral to the organisational design of a social enterprise. Our conceptual framework aims to address ‘how do social impact strategies influence the organisational design of social enterprises’? By critically reviewing relevant literature on social entrepreneurship and organisation theory, we scrutinise the impact of current methods used for reporting social impact on social enterprises’ organising.




Tuesday, November 13 | Antonis Stamatogiannakis, IE Business School “A Small Difference Makes All the Difference: Cognitive and Affective Responses to Attainment versus Maintenance Goals.”

Abstract: We discuss two types of goals. Attainment goals feature a discrepancy between the current and the desired state (e.g., increase my income level by an amount). Maintenance goals feature a corresponding match (e.g., maintain my income level). In a series of studies we show that this difference leads to different responses even (or especially) when it is small. In terms of cognition, the featured discrepancy for attainment goals is a salient cue for their difficulty. The corresponding match for maintenance goals, however, is not as salient. Therefore, in separate evaluations, attainment goals that feature small discrepancies (e.g., work five minutes more than usual) can be perceived as easier than objectively easier maintenance goals (e.g., work the same amount of time as usual). These differences in perceived difficulty then drive consequential goal choices. In terms of affect, the impact of one’s current mood depends on the extent to which consumers perceive mood states as “representative”—indicative of essential characteristics of a target. Maintenance goals feature a match between the current and the desired states. This match can make the desired state be perceived as representative of incidental positive mood, and thus maintenance goals more motivating when people are experiencing positive mood. The featured discrepancy of attainment goals does not have this effects, because the desired state is yet to be reached, thus it cannot be representative of current mood. Finally, we discuss implications for theory and practice.


Tuesday, October 10 | Konstantinos Poulis , Middlesex University & Epsilon Hellas “Human agency and complexity: A requisite variety perspective”

Abstract: Alignment with external environmental imperatives is seen as a sine qua non of proper strategizing. Any deviation from this management mantra engenders organizational decline and, ultimately, mortality. I put this axiomatic principle under scrutiny and I challenge it on ontological and epistemological grounds. I use the law of requisite variety as my organizing principle since it is a cornerstone of this matching contingency logic and it has served to legitimize a wide range of decisions and research practices in e.g., leadership, organizational learning, corporate governance, operations management as well as in theory development itself. Inspired by organizational vignettes inhabiting antithetical complexity regimes, i) I deconstruct deterministic and isomorphic assumptions related to environmental fittingness ii) I challenge teleological orientations in strategy literature and importantly, iii) I discuss the neglected role of human agency amid complexity.


Wednesday, July 11 | Bill Rougas, TU Delft “Design and learn through games for decision making”

Abstract: During the last few decades, real-world systems have become increasingly complex, due to the high level of involvement of humans in many of these systems' internal processes. In turn, since human behavior cannot be characterized as 100% rational, these systems often tend to behave in a seemingly irrational way. As a result, the use of gaming simulations (games) has become paramount, in order to test different scenarios in an affordable, ethical, and risk-free way. Indeed, irrespective of their size, corporations have been increasingly using these games, in order to evaluate and ascertain impactful business decisions and strategies. Yet, there is still lack of research on whether, and if so how, these games can be used by researchers and practitioners to build evidents on systems' behavior within a larger scheme. The aim of this Ph.D. is to explore the four main areas of games: i. Design, ii. Validation, iii. Game Sessions, and iv. Knowledge Management, through literature and case studies. The primary case study is ProRail, the Dutch governmental task organization that takes care of maintenance and extensions of the national railway network infrastructure, of allocating rail capacity, and of traffic control. In more detail, in the area of design, the use of game theory is explored as a tool for abstracting real-world systems and pinpointing the worst-case scenarios, then in turn games can be used to further understand and mitigate them. In the area of validation, the introduction of humans in what was previously known as simulations has raised a number of issues, an example of which is the sample size. On the one hand, large sample sizes (i.e., large number of participants) are challenging to achieve due to the high cost of coordinating humans and executing game sessions. On the other hand, small sample sizes severely limit analytical conclusions. In the area of game sessions, the synthetic nature of facilitation and debriefing poses the greatest impediment towards the success of games, especially for games in which the participants are not the knowledge beneficiaries. Therefore, the research interest is in understanding and mitigating the factors that inhibit the facilitation and debriefing of games. While, in general, knowledge management is widely acknowledged as the cornerstone for companies to improve their know-how and thus sustain or even increase their competitive advantage; in games, it is the least researched area. Thus, the research focus is in understanding the type and quality of knowledge games produce, and then capture, maintain, and disseminate it.


Tuesday, June 12 | Panagiotis Avramidis , Alba Graduate Business School “Do banks appraise internal capital markets during credit shocks? Evidence from the Greek crisis”

Abstract: Using data of bank loans to Greek firms during the Greek crisis, we provide evidence that affiliated firms, having access to the internal capital markets of their associated group, are less likely to default on their bank loan during a credit shock. Furthermore, banks appraise the firm’s access to internal capital markets positively. In particular, banks are less likely to downgrade the credit profile and demand lower loan collateral coverage from affiliated firms. Such favorable terms are conditional on the bank’s overall relationship with the group. Finally, banks are more likely to show forbearance against affiliated firms with non-performing loans.


Tuesday, May 8 | Yannis Floros , Iowa State University “U.S. exchange upgrades: Reducing uncertainty through a two-stage IPO”

Abstract: We examine the effects on IPO uncertainty of an alternative going-public mechanism – the two-stage IPO, where a firm first gets quoted on the OTC market, and then upgrades to a national exchange where it first issues public equity. We find that a two-stage IPO firm experiences lower underpricing and return volatility than does a similar traditional IPO firm. Our study is the first to analyze the impact of U.S. pre-IPO disclosure and liquidity on levels of uncertainty and pricing at the IPO stage. We find that greater disclosure and liquidity during the first stage leads to greater reduction in IPO uncertainty. We control for the potentially endogenous nature of the two-stage IPOs by using a difference-in-difference analysis that utilizes two exogenous OTC market events.


Tuesday, April 17 | Manthos Delis ,Montpellier Business School " Credit and Income"


Tuesday, March 13 | Maria Iosifidi ,Montpellier Business School “What's the Use of Having a Reputation If You Can't Ruin It Every Now and Then?' Regulatory Enforcement Actions on Banks and the Structure of Loan Syndicates”


Tuesday, February 13 | Andreas Robotis, Alba Graduate Business School “The Moderators of Anger in the Workplace: An Empirical Investigation using Football Data and Machine Learning Algorithms”


Tuesday, January 9 | Evangelos Dioikitopoulos , King’s College London “Dynamic status effects, savings, and income inequality”




Tuesday, June 13 | Dr. Nikoletta-Theofania Siamagka , King's College London  "Consumer-Brand Relationships in the Context of Private vs Public Brand Transgressions: An Investigation into Consumer Brand Forgiveness"


Tuesday, May 9 | Dr. Zafeira Kastrinaki, Brunel University London


Tuesday , April 25 |  Dr. Epameinondas Katsikas, University of Kent


Tuesday, April 11 | Dr. Ioanna Grypari, Max Planck Institute “The Demand for Politicians: Campaigning and Voting in US Presidential Elections


Tuesday, March 14 | Dr. Anastasia Papazafeiropoulou, Brunel University London "Mindfulness Mediation against technostress: How ancient Asian philosophies and practices can help us with a very modern Western problem?"


Tuesday, February 14| Dr. Seraphim Voliotis, Alba Graduate Business School "Mathematics and Deviance"




Lecture series  "Reflections on the State of the Greek Economy"


Tuesday, November 8

  • Konstantinos Aivalis, Economic Consultant, Greece
  • Dr. Ioanna Sapfo Pepelasis, Athens University of Economics and Business
  • Dr. Stefanos Zarkos, Alba Graduate Business School at The American College of Greece

"Why leverage does not deliver: Lessons from the performance of the top 50 industrial firms in Greece during the Great Depression"


Lecture series  "Reflections on the State of the Greek Economy"


Tuesday, March 14 | Dr. Natasha Papazafeiropoulou, Senior Lecturer, Brunel University "Mindfulness mediation against technostress: How ancient Asian philosophies and practices can help us with a very modern Western problem"


Lecture series  "Reflections on the State of the Greek Economy"


Thursday, May 29 |. Dr. Nikos Vettas,   Athens University of Economics and Business, Foundation of Economic & Industrial Research  "Reforms and Development: When and How"


Tuesday, April 29 | Yanos Gramatidis, Institute of Economic Policy & Public Governance of the American-Hellenic Chamber of Commerce. "The pathology of the Greek economic model and the degree of institutional and social participation in the economic development 'antidote'"


Monday, March 31 | Tasos Giannitsis, University of Athens "Societies in evolution and societies falling behind. The complex relationship between reform and status quo"


Tuesday, February 25 | Aristidis Hatzis, Associate Professor of Philosophy of Law & Theory of Institutions at the University of Athens "Institutional deficit and how to address it"


Monday, January 27 | Epaminondas Farmakis, President and C.E.O. of elpis S.A "Philanthropy as a means for growth”

Related actions

Institutional deficit and how to address it (GR) "Philanthropy as a means for growth (GR)


Lecture series  "Reflections on the State of the Greek Economy"


Thursday, June 6 | Aristos Doxiadis, partner at OpenFund "Is export-led growth an option for Greece?"


Tuesday, May 23 | George Prokopakis, Business Consultant "The stabilization mechanism as project"


Tuesday, April 2 | Ploutarchos Sakellaris, Athens University of Economics & Business “Some thoughts on financing investment for growth”


Wednesday, March 6 | George Pagoulatos, Athens University of Economics & Business "Greece in a changing Eurozone"


Tuesday, February 5 | Stavros Thomadakis, University of Athens "Debt, deleveraging and mechanisms for development"


Tuesday, January 22 | Gikas Hardouvelis, University of Piraeus “From Crisis to Growth: How and When”

Related actions

"Is export-led growth an option for Greece?" "Debt, deleveraging and mechanisms for development" (GR) “From Crisis to Growth: How and When”

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