The distinction between discretionary fiscal policy and the use of automatic stabilizers is that

Automatic stabilizers once adopted are built into the structure of the economy.

Explanation:

Discretionary fiscal policies alludes to change in government use and duties to impact the degree of national salary and costs by changing the total interest of the economy.

Non-discretionary fiscal policy of automatic stabilizers is a worked in duty or consumption system that consequently builds AD when downturn happens and decreases AD when there is expansion in the economy.

See explanations

Explanation:

Like discretionary fiscal policies, automatic stabilizers balance output and demand. The difference is that the changes in government spending and tax rates occur without any deliberate legislative action. In other words, Congress does not have to vote on them.