[2]  Brown A and R Guttmann (2017), ‘Ageing and Labour Supply in Advanced Economies’, RBA 37-45; United Nations, Department of Social Affairs, Population Division (2017), . 2017 Revision, Volume 1: Comprehensive Tables  Bulletin, December, pp World Population Prospects: The  © Reserve Bank of Australia, 2001–2018. All rights reserved. https://www.rba.gov.au/speeches/2018/sp-gov-2018-08-08.html  18/18
(IV) The policy mix This brings me to a central question for policymakers at the current juncture: what is the most appropriate policy mix in the face of these old and new shocks hitting our economies? My main message is twofold: First, it is fiscal policy that has to be in the lead in mitigating the macro-economic consequences of this prolonged public health emergency.