Working paper introducing the Systemic Coherence Index (SCI), a three-component metric designed to measure the gap between institutional design and social reality across countries and over time. Methodology in active development. ABSTRACT This working paper introduces the Systemic Coherence Index (SCI), a framework designed to measure the interaction between institutional quality and social-cultural dynamics in national development trajectories. The central argument is that poverty, growth, and wealth are not points on a single scale but three distinct social architectures with different operating logics — and that no existing index measures the gap between institutional design and social reality, or the direction of that tension. The SCI produces three simultaneous readings. The coherence component measures the alignment between an institutional-economic index and a social-cultural index, identifying systems under productive or destructive tension. The direction component captures which layer is leading and which is lagging, distinguishing ascending transitions from active deterioration. The level component measures the absolute point at which the system operates, resolving the ambiguity that would otherwise make a coherent functional system and a coherent degraded system indistinguishable. The paper identifies five characteristic cases — ascending transition, active deterioration, stable functional system, stable degraded system, and critical inflection point — and argues that trajectory over time is more analytically valuable than any snapshot reading. The model's primary contribution is the separation of stability from quality, a distinction absent from current development indices. This is a conceptual working paper. The aggregation method and variable weighting within each component remain unresolved. The index is under active development and has not yet been calculated with real data.
Javier Ignacio Janer Tittarelli (Wed,) studied this question.
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