For example, a country that has introduced mobile number portability, permitted infrastructure sharing for mobile operators, allowed foreign investment in operators that own spectrum, legally promoted a competitive environment and required interconnection prices to be made public would have penetration levels 2.3 per cent higher than a country without these measures in place, all other things being equal. Moreover, all the accompanying coefficients to these variables are different from zero, as certified by the F test27 results. While the overall explanatory power of the model (r-squared) is moderate (36.1%), it nevertheless provides evidence of the importance of regulation on ICT services uptake.