Talk:Market concentration

Complaint
Symbols appearing in the equations need to be defined. Otherwise, this material is not comprehensible.

I'd like to see this page expanded to include some discussion and statistics re. how market concentration has changed in the U.S. over time in such areas as manufacturing, retail clothing, and communications services.

Needs example industries, with graphs and charts
Pie charts of market concentration of a certain industry at a certain time, line graphs for those values over time Mapmaker345 (talk) 01:03, 19 January 2019 (UTC)