On the 6 August 2011 the OFT published its market study into aggregates, cement and ready-mix concrete. It proposes to refer the sectors to the Competition Commission for more detailed investigation. These sectors had a combined turnover in 2009 of up to £3.4bn and are vital inputs in the construction sector, which represents seven per cent of UK GDP. Some 40 per cent of construction expenditure is in the public sector, for schools, hospitals, roads and other physical and social infrastructure, with central Government being the biggest customer. In its study the OFT identified a number of features of the sectors which could prevent, restrict or distort competition. These relate both to structural features that may dampen competition, and to the conduct of major firms towards smaller operators. Read more