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- A US debt default would be a disaster for the economy, Treasury Secretary Janet Yellen said.
- She warned of potential mass unemployment, payment failures, and broad economic weakness if the US failed to pay its debts.
- She urged lawmakers to raise the debt ceiling and not wait "until the last minute" to do so.
A government debt default would be catastrophic for the US economy, sparking mass unemployment, payment failures, and interest rates rising "into perpetuity," according to US Treasury Secretary Janet Yellen.