The looming national debt crisis could be averted by governments tapping into the vast private wealth of the wealthy, according to UBS. With an estimated $80 trillion set to change hands over the next two decades, the 'Great Wealth Transfer' is a significant opportunity for governments to shore up their finances. But how will they go about it? Will they use incentives or regulation to encourage private wealth to flow into government bonds, or will they opt for more controversial methods like wealth taxation? The question is whether policymakers will choose a carrot or a stick approach to revenue generation. The debt-to-GDP ratio is a critical concern for economists, as it indicates whether an economy is growing fast enough to generate the necessary revenues to repay debts. If the ratio is perceived as unbalanced, investors may demand higher interest rates, further straining government budgets. By increasing the supply of debt buyers, governments can borrow more without facing higher market interest rates. However, UBS chief economist Paul Donovan highlights less popular options, such as taxing wealth through capital gains or inheritance levies. The 'Great Wealth Transfer' is expected to be a significant factor in the coming years, with $80 trillion in inheritance expected to be passed down. This figure could even reach $124 trillion, according to some studies. Donovan warns that politicians may be tempted to use this wealth transfer to boost their own fortunes, but doing so could deny private sector investment access to those funds. With global public debt surpassing $100 trillion, the issue is a growing concern for both politicians and the public. While some methods, like President Trump's tariffs, have been described as 'peculiar', they have brought significant revenue. The White House has also proposed selling 'gold cards' to wealthy immigrants, but the details remain unclear. In contrast, the UK's Chancellor, Rachel Reeves, has adopted a more aligned approach, emphasizing the need for individuals to contribute to the country's fiscal trajectory. She stated that everyone must play a part in securing Britain's future, with the potential for rewards in the form of more resilient public finances.