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Algorithms for Measuring Indirect Control in Corporate Networks and Effects of Divestment

  • This paper discusses algorithms for measuring indirect control in complex corporate shareholding networks and investigates the importance of mutual connections in the network in the sense of shareholdings of one firm in another. Our algorithms rely on the concept of power indices from cooperative game theory. We focus on a variant of the implicit power index by Stach and Mercik based on the absolute Banzhaf index. We extend this algorithm by determining the number of regressions in an adaptive network-dependent manner taking into account the maximal length of a path to each controlled company in the network and by a model for the float, i.e., the set of unidentified small shareholders. We compare our method with existing algorithms and discuss the importance of linkages by investigating divestment of shares for a theoretical network with 21 players.

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Metadaten
Author:Jochen StaudacherORCiDGND, Linus Olsson, Izabella StachORCiD
URL / DOI:https://doi.org/10.1007/978-3-662-66597-8_3
Identifier:978-3-662-66597-8 OPAC HS OPAC extern
Parent Title (English):Transactions on Computational Collective Intelligence XXXVII
Publisher:Springer
Place of publication:Berlin, Heidelberg
Editor:Ngoc Thanh Nguyen, Ryszard Kowalczyk, Anna Motylska-Kuźma, Jacek Mercik
Document Type:conference proceeding (article)
Conference:The seventh seminar on “Quantitative Methods of Group Decision Making”, November 26, 2021, Wroclaw, Poland
Language:English
Date of Publication (online):2023/01/20
Year of first Publication:2023
Tag:Banzhaf index; Cooperative game theory; Corporate shareholding structures; Direct and indirect control; Power indices
GND Keyword:Spieltheorie
Number of pages:22 Seiten
First Page:53
Last Page:74
Institutes:Fakultät Informatik
IFI - Institut für Internationalisierung
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke
3 Sozialwissenschaften
Research focus:FSP4: Soziale Innovationen
Publication Lists:Staudacher, Jochen
Publication reviewed:begutachtet
Release Date:2023/02/09
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