Abstract This article offers the justification for a type of carbon customs union in which countries with diverse range high-ambition domestic climate measures would adopt common external tariff on intensive imports from outside union. We explain why any pragmatic approach to border (CBMs) is likely create problems under prevailing interpretations World Trade Organization's (WTO) primary rules....

The neo-Gricean approach to exhaustivity is based on the idea that arises when relevant propositions are not asserted. This paper presents a new pragmatic mentioned, or more precisely, speaker did intend draw attention them. seemingly subtle shift from information results in different predictions range of challenges for approach, some which have been brought up support grammatical exhaustivity....