This document discusses using location quotients to analyze regional employment data. It explains that a location quotient compares an industry's local employment share to its national employment share, with values over 1 indicating the industry has a greater presence locally than nationally. The document provides location quotients for various industries in the Wilmington region for 2010 and 2018, noting cautions around determining if quotients differ meaningfully from 1 and the limitations of aggregated industry data.