Many tax chiefs at international companies are struggling to figure out the implications of the trillions of dollars of stimulus funds countries have injected into their economies in recent months.

But Kate Barton, the global vice chair of tax at EY, says they should also be looking out for the ensuing hangover: an inevitable series of tax hikes that will be needed to pay for all of this.

Barton spoke with Talking Tax host Siri Bulusu about what firms' tax managers should be watching as the global economic response to the coronavirus pandemic continues to unfold.