Literature review is an evaluative report of the information you found. It has two functions:
First, do it in the old way: look for an appropriate handbook chapter. You might be lucky to find a recent handbook chapter in your field.
Second, find a meta analysis (paper reviewing major works in the field): some of them are published in Journal of Economic Perspectives but most are working papers available online.
How to locate these (or any) published or unpublished papers, use online search engines:
Write summary of each paper or review: