def aggregateOscillationEnergy (e : NSectorEconomy N) (ξ : Fin N → ℝ) : ℝ := oscillationEnergy (fun n => sectorEffectiveCurvature e n) ξ
thesis/CESProofs/Dynamics/MultiplierCycles.lean:268
Multiplier-Cycle Duality in a Multi-Sector Economy