The investment problem
Since the 2008 financial crisis, business investment has fallen considerably. This chart from ONS shows how gross fixed capital formation collapsed in 2007-8 and has remained flat ever since: The associated commentary from ONS notes that the main falls have been in "dwellings", and in plant & machinery: The revised data suggest that GFCF fell sharply following the onset of the economic downturn, as businesses revised priorities in the face of a reduction in domestic and international demand, and as conditions in credit markets tightened. The downturn in the housing market also had a substantial impact on investment in Dwellings, which fell from £15.8bn in Q1 2008 before the economic downturn, to just £10.9bn in Q3 2009. Investment in Plant & Machinery also fell, while investment in Other Buildings & Structures and Intangible Fixed Assets remained relatively static during this period. Basically, businesses just don't seem to be inves...