Haskel, Jonathan; Sadun, Raffaella - 2009
speedup in US productivity growth and corresponding slowdown in UK (and EU) productivity
growth remains an enduring puzzle of … interest since planning and
regulation is cited to be a factor affecting EU retailing productivity growth (Pilat, 1997 …,
Scotland and Northern Ireland. Within England and Wales industries are stratified at 4 digit level, NI is at two digit
level …