Positive Externality

Documentation

Lean 4 Proof

theorem positive_externality {J ρ : ℝ} (hJ : 0 < J) (hρ : ρ < 1) :
    0 < marginalK J ρ :=
  pigouvian_subsidy_pos hJ hρ

Dependency Graph

Module Section

Paper 1c, Section 4: Welfare and Coordination Failure