Direct versus indirect environmental regulation in a partially privatized mixed duopoly

摘要: This article examines the optimal environmental regulation in a mixed duopolistic market wherein damage is associated with production. Specifically, effects of partial privatization on policy choices, damage, and social welfare are examined under three regimes: no regulation, direct emission, indirect via Pigouvian tax. The common result different regimes that level critically depends degree privatization, its relationship not monotonous. Furthermore, results show while impacts regimes, it mostly compatible an improvement quality.