7: Externalities Last updated Jan 4, 2021 Save as PDF 6.4: International Trade 7.1: External Effects Page ID43786 AnonymousLibreTexts ( \newcommand{\kernel}{\mathrm{null}\,}\) 7.1: External Effects7.2: Pigouvian Taxes7.3: Quotas7.4: Tradable Permits and Auctions7.5: Coasian Bargaining7.6: Fishing and Extinction