Leining, Catherine - 2019
constraint is defined by a cap (a fixed limit) on tradable, government-issued emission units together with a quantity limit on … any external units allowed in the system (e.g. via an offsets mechanism). Essentially, an ETS cap underpins the ambition … to mid-2015, the New Zealand Emissions Trading Scheme (NZ ETS) broke from convention by linking to the global Kyoto cap …