Extended Scenario Bundle Analysis: A Formal Framework for Strategic Scenario Modeling
Thomas Pitz, Vin\'icius Ferraz

TL;DR
This paper refines and extends the Scenario Bundle Analysis framework by introducing a two-layer architecture, richer attitude vocabulary, and formal definitions for computational implementation.
Contribution
It offers a formal, extended SBA framework with a two-layer architecture, richer attitudes, and precise definitions for computational use.
Findings
Introduces a two-layer architecture separating static and dynamic components.
Incorporates a richer set of attitudes including beliefs, desires, and fears.
Provides formal definitions supporting computational implementation.
Abstract
Strategic crisis analysis needs representations that combine qualitative expert judgement, explicit interdependence, and auditable update rules without requiring fully specified payoffs or probabilities. Scenario Bundle Analysis (SBA), developed by Amos Perlmutter and Reinhard Selten, provides such a starting point, but the original formulation leaves several database, topology, and update interfaces implicit. This paper presents a formal refinement and extension of the original SBA framework, introducing a two-layer architecture that separates a static scenario database from a dynamic scenario tree system. The extended framework incorporates a richer attitude vocabulary: beliefs, desires, intentions, fears, and coalitional commitments, with expectations treated as doxastic attitudes. It also adds a domain/modifier layer for contextual framing, a topology on admissible scenario…
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