Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 28 for “"Network centrality"”.
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Essays on Mergers and Acquisitions and Governance
… the first essay, I use four common measures of network centrality to compute the position of the CEO within the Social network of all executives and directors of US public companies. This differentiates this study from previous research as it focuses on the overall connectedness of CEOs rather …
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Collaboration networks in economic science
… of direct feedback, gives rise to a social network. This thesis examines this network. The analysis focuses on the role of individual scientists in the network, which is estimated by different network centralities. Data originate from about 6000 published research articles from six Financial …
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Information extraction with network centralities : finding rumor sources, measuring influence, and learning community structure
Network centrality is a function that takes a network graph as input and assigns a score to each node. In this thesis, we investigate the potential of network centralities for addressing inference questions arising in the context of large-scale networked data. These questions are particularly …
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Examining the Relationship Between Students' Life Satisfaction and School-Based Social and Behavioral Success
… scores, as well as to identify classroom social networks and students' salience within them. Data were also collected on individual disciplinary incidents throughout the year resulting in a total number of office discipline referrals (ODRs) for each student. Given the abundance of literature …
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Essays On The Applications Of Network Analysis To The Reinsurance Market
… Chapter 1 The Microstructure of the Reinsurance Network among US Property-Casualty Insurers and Its Effect on Insurers' Performance models the connectivity within the US property-casualty (P/C) reinsurance market as a network. It provides the first detailed empirical analysis of the …
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The effects of crisis on the interbank markets and sovereign risk: empirical investigations
… Chapter two investigates the role of banks' network centrality in the interbank market on their funding rates. Specifically we analyze transaction data from the e-MID market, over the 2006-2009 period, which encompasses the global financial crisis. We show that interbank spreads are …
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Boardroom network and corporate governance : when who you know contributes to what you know
In this study, I examine whether boardroom centrality has a causal effect on firm performance. If boardroom ties work as a conduit for information about market, industry, feedback on peers' experience, etc., then I expect central boards' corporate decisions to incorporate richer information and, as …
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Characterizing MIT's serial scientist-entrepreneurs in life sciences
… basis of academic impact, patenting, and social network centrality, as compared to their first-time entrepreneur (i.e., faculty who founded or directed 1-2 companies) and noncommercial peers. These individuals constitute a subset of 66 scientist-entrepreneurs from a population of the 493 …
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Interacting with users in social networks : the follow-back problem
… a connection is known as "following" in social networks such as Twitter, we refer to this as the follow-back problem. The targets and their friends form a directed graph which we refer to as the "friends graph." The agent's goal is to get the targets to follow it, and it is allowed to interact …
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The Evolution of Global Competition: The Creation of a Soft Power Escalatory Dilemma
… are reacting to these changes within the global network, centrality becomes a large concern as actors wish to maintain their dominance. As actors or nodes then compete for stronger relationships or ties with other nodes, a soft power escalatory dilemma is formed. This competition leads to an …
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Pricing Offshore Services: Evidence from the Paradise Papers
… and Proch_azkov_a (2020) on the impacts of network centrality on _rm pricing, we use market response, discussed in O'Donovan, Wagner and Zeume (2019), to characterise the role of offshore services in securities pricing and the transmission of price risk. Following the spatial modelling …
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Collective Decision Making in Tibetan Macaques: How Followers Affect the Rules and Efficiency of Group Movement
… age, maternal kinship, dominance, and social network centrality on the number of fans (consistent followers) an individual had, and the number of group members an individual was a fan of (fandom). SEM revealed that dominant females had more fans, while younger, dominant individuals with more …
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Investigation of HIV-TB co-infection through analysis of the potential impact of host genetic variation on host-pathogen protein interactions
… generated a host-pathogen functional interaction network made up of inter- and intraspecies protein interactions, gene expression during co-infection, drug-target interactions, and human genetic variation. Differential expression and network centrality properties were used to prioritise proteins …
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Securitizing Air Spaces: How the Pan Am 103 Bombing Led to a New Extraterritorial Aviation Regime
… a world of uneven power, one powerful state with network centrality has the capacity to impose its security demands on the system. How this is created, which I term conceptually as an "extraterritorial aviation regime," is what this dissertation seeks to explain. Hijackings and bombings of …
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The relationship of distributed leadership, social networks, and work experiences
… leadership within the context of social networks and work experience outcomes. In examining both distributed leadership and social networks, this study’s purpose was to better understand how distributed leadership is operationalized through social networks. An additional purpose of this …
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Essays in Behavioural Corporate Finance
… explores the impact of directorate interlocking networks on stock liquidity. Directorate interlocking is evidenced as an efficient channel by which firms transmit their corporate governance and corporate practices. This chapter employs an approach from sociology to capture network centrality …
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Essays on bargaining and repeated games
… in sequential equilibrium in repeated games with network monitoring. The foundational result is that the maximum level of cooperation can be sustained in grim trigger strategies. Comparative statics on the maximum level of cooperation are shown to be highly tractable. For the case of fixed …
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Site Fidelity and Association Patterns of Bottlenose Dolphins (<i>Tursiops truncatus</i> in the Mississippi Sound
… two dolphins were repeated associations. Social networking analyses were used to investigate the substructure of this network. The network was filtered such that only associations greater than the mean COA were represented, and only individuals with more than one association were included (n = …
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On the Use of Network Control Techniques in Pursuit of Influence Spread in Complex Networks
… relationship between different global and local network structures and the number of driver nodes needed to control a given structure. This reveals what structures are easier to control and the resources needed to control them. The first component of the thesis highlights how differing structure …
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Context-aware collaborative storage and programming for mobile users
… content availability in mobile peer-to-peer networks: topology maintenance with robust connectivity, structural reorientation based on the current state of the network, and gossip-based hierarchical updates. Experimental results showed that MobiStore outperforms a state-of-the-art comparison …
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