Optimal Opinion Control: The Campaign Problem

Rainer Hegselmann (), Stefan König (), Sascha Kurz (), Christoph Niemann () and Jörg Rambau ()
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Jörg Rambau: http://www.rambau.wm.uni-bayreuth.de

Journal of Artificial Societies and Social Simulation, 2015, vol. 18, issue 3, 18

Abstract: Opinion dynamics is nowadays a very common field of research. In this article we formulate and then study a novel, namely strategic perspective on such dynamics: There are the usual 'normal' agents that update their opinions, for instance according the well-known bounded con dence mechanism. But, additionally, there is at least one strategic agent. That agent uses opinions as freely selectable strategies to get control on the dynamics: The strategic agent of our benchmark problem tries, during a campaign of a certain length, to influence the ongoing dynamics among normal agents with strategically placed opinions (one per period) in such a way, that, by the end of the campaign, as much as possible normals end up with opinions in a certain interval of the opinion space. Structurally, such a problem is an optimal control problem. That type of problem is ubiquitous. Resorting to advanced and partly non-standard methods for computing optimal controls, we solve some instances of the campaign problem. But even for a very small number of normal agents, just one strategic agent, and a ten-period campaign length, the problem turns out to be extremely dicult. Explicitly we discuss moral and political concerns that immediately arise, if someone starts to analyze the possibilities of an optimal opinion control.

Keywords: Opinion Dynamics; Optimal Opinion Control; Bounded Confidence; Mixed Integer Linear Programming; Heuristics (search for similar items in EconPapers)
Date: 2015-06-30
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Citations: View citations in EconPapers (6)

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