To some extent such low expenditures are linked to strong economic growth, but the low spending levels also raise concerns on the adequacy of supports. Investment in children, whether or not by means of conditional cash transfers, and associated health and early and primary education services is key. Greater investment in active labour market programmes would provide informal workers and the poor and vulnerable population with greater access to employment guarantee schemes or skill development and training. The increase in average income in Asia has increased the scope for increasing public revenues, whereas the administrative capacity to effectively introduce and operate a contributory' system of social support which provides opportunities to give large groups of the populations access to forms of social protection that are tied to employment.