theorem eigenstructure_bridge_diagonal {tree_coeff : ℝ} {J : ℕ} {Fbar : ℝ} : institutionalQuality tree_coeff J Fbar = tree_coeff * ↑J * Fbar := by rfl
thesis/CESProofs/Hierarchy/WelfareDecomposition.lean:119
Theorems 7-8, Propositions 5 and 7, Corollary 3: