theorem sector_relaxation_rate_eq (e : NSectorEconomy N) (n : Fin N) :
sectorRelaxRate e n =
e.ℓ n * |logCesEigenvaluePerp (e.J n) (e.ρ n) (e.c n)| *
max 0 (1 - e.T n / sectorCriticalFriction e n) := by
rflResults 1-7: Relaxation on the CES Potential Landscape