The Location Quotient is an index that indicates how specialized a specific industry is within a certain region; it shows the number of people engaged in a certain industry within a specific region divided by the number of people in that same industry in the entire country. Generally, when the location quotient is over one, then that specific industry is specialized within that region. Spatially, industry is developed along the Gyeongbu Axis, and the heavy chemical industries are concentrated on the south side of the greater capital area and the southeastern industrial coast. Knowledge-intensive services are concentrated in the Gangnam area of Seoul.