Significant at the 1% level. The mobile sector has also been subject to more incentive regulations rather than obligations imposed, as in the case of fixed networks. These are well-known facts remedied by regular reviews and upgrades of existing policy and regulatory settings, as well as by the adoption of new measures and policy initiatives to address the changing nature of the digital ecosystem. It is worth noting, nevertheless, that the impact of urbanization on the take up of mobile-cellular services is lower than on fixed-broadband penetration levels, mobile-cellular being less infrastructure-intensive and thus deployed at a lower cost beyond urban areas.