"Five years on, the Sprint / T-Mobile 4-to-3 mobile merger made the US one of the most expensive mobile markets in the world. While monthly prices were falling and continue to fall across mobile markets and while the same was true in the US mobile market prior to the merger, after the merger prices in the US either stopped falling altogether or fell at a much slower rate. The 4-to-3 mobile merger in the US led to higher prices and consumer harm." https://www.lightreading.com/operations/us-mobile-prices-sky-high-after-t-mobile-s-sprint-buy-report
