Answer:
d. All of the above.
Explanation:
-A policymaker is a person who tends to create plans and ideas, significantly those that is carried out by a government or business.
-Policymakers require to think about specific incentives so that they can comprehend how individuals will respond to the different policies they tend to put in place. Generally, policy actions are supposed to have unintended consequences.
-In the question above, the given statement represents option-d as correct.