The container carriers' ambitions of securing economies of scale through larger alliances will have far-reaching consequences for the entire industry, consequences that the competition authorities in the United States, the EU, and China could have difficulties agreeing upon. The establishment of the P3 alliance with Maersk Line, MSC, and CMA CGM, the three biggest carriers in the world, and most recently the heavily expanded cooperation among the six carriers in the G6 alliance merely represent the tip of the iceberg, according to analysts Drewry.