The contribution to GDP growth can be hardly differentiated between countries and sectors, therefore we simply summarize our average estimates to the European countries. As shown in Table 1, the range is between in the short run under slow adoption and in the medium run under fast adoption of cloud comput- ing. These results are derived in terms of percentage variation from a steady state value in a stationary model, but since growth is expected to be about zero in 2010, these percentage deviations can be approximately interpreted in terms of additional contribution to the growth rate. Given the conservative assumptions on the size of the.