So it is important to ensure the presence of suitable mechanisms that facilitate the necessary co-ordination. In the arrangements recently proposed by the new government in the United Kingdom that is to be achieved by putting both the decision makers – the Monetary Policy Committee and the Financial Policy Committee – in the same institution and ensuring that they have a number of members in common. 6. Concluding remarks  To conclude, we return to the elements of the pre-crisis policy consensus outlined in the introduction and ask what remains or how it needs to be modified. 1. The role of fiscal policy. Fiscal policy is the topic of the next session. But we should at least note that the collapse of private demand after the demise of Lehman Brothers prompted not only the operation of the automatic stabilisers but also additional discretionary fiscal policy measures in the most affected economies, with the total fiscal impulse coming in at around 4 per cent of GDP. But the effectiveness of those expansionary fiscal policies in stimulating demand remains a matter of debate, both in policy making circles and academia. On the one hand, there are those who believe the fiscal multipliers are negligible, either because of Ricardian Equivalence or because of crowding out through the impact of high public debt and deficits on long-term interest rates.
The HKMA looks forward to being a long-term partner with you on this journey, and I hope you can offer us your unwavering support too. 2/5  BIS central bankers' speeches  Future-proofing Hong Kong for Central Bank Digital Currencies (CBDCs) 20. As we look beyond banks to the wider financial system, we turn our attention to initiatives that will have an impact on the financial system as a whole, one of which is CBDCs, the focus of our second strategy. 21. As the world becomes more interconnected than ever, cross-border and cross-boundary transactions have never been more frequent. Many of us have witnessed how payment instruments have evolved over time, from banknotes to credit cards to cross-border payment networks. While CBDCs may not see mainstream adoption any time soon, this is something that has the potential to profoundly alter the global payment landscape. We must work with the industry and international community to ensure that we address both the technical and non-technical issues involved. 22. For this reason, we have been researching wholesale CBDCs as they have great potential in addressing the long-standing pain points in cross-border payments. Lately, the HKMA’s joint research with the Bank of Thailand has been ranked by the market as one of the most mature of its kind in the world; a testimony that we stand at the forefront in the realm of wholesale CBDCs. We recently expanded the scale of the project to include more participating jurisdictions. 23.