Global financial crash warning as 'something big' may happen
EXCLUSIVE: The failure of Silicon Valley Bank (SVB) and troubles at Credit Suisse pose a threat to the global financial system and "time will tell" just how big an impact it will have, a top economist has warned.
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### Instruction: Global financial crash warning as 'something big' may happen

### Response: EXCLUSIVE: The failure of Silicon Valley Bank (SVB) and troubles at Credit Suisse pose a threat to the global financial system and "time will tell" just how big an impact it will have, a top economist has warned.