Finding published reviews of the literature can save you a great deal of time when working on your own literature review as well as when you are trying to find empirical or theoretical literature (because the prose of the review article will make clear the type of contribution made by each article).
You can use EconLit to find survey articles.
Use one line of your search to find the following, setting the drop-down to Abstract
(review NEAR/3 literature) OR ("survey of the literature")
Doing so might look like this: