Advantages of cap-and-trade systems are __________. Question 16 options: a cap-and-trade system is easier to implement than an emission tax a cap-and-trade system determines the quantity of pollution directly for a cap-and-trade system, a lot of information is needed, not only the policy target to implement it the regulator needs to know the aggregate marginal abatement cost curve in order to implement a cap-and-trade system all of the above are correct only A and B are correct