theorem priceRelaxTime_pos (e : TwoWorldEconomy N) (n : Fin N) : 0 < priceRelaxTime e n := by simp only [priceRelaxTime] exact div_pos one_pos (e.hv n)
thesis/CESProofs/Dynamics/TwoWorldDefs.lean:93
Two-World Economy: Price vs. Production Timescale Separation