Australian nurses and other skilled workers could gain better access to the UK if Boris Johnson wins a majority in the British election.
Proceeds from the new tax,which would apply to people and companies that aren't UK residents for tax purposes,would be used to help the homeless.
Analysts said Corbyn was bargaining that anger at a decade of austerity and stagnating wages would motivate voters to kick out the Conservatives.
The first UK leaders election debate generated its biggest controversy off-screen after the Conservative Party temporarily redesigned its Twitter account.
Boris Johnson and Jeremy Corbyn both came to the Confederation of British Industry conference bearing bad news for business.
Just hours before he launched his re-election campaign,Boris Johnson accepted the resignation of a senior minister accused of lying to the public.
Meanwhile,Lib Dem leader Jo Swinson says neither Boris Johnson nor Jeremy Corbyn should be allowed"anywhere near"10 Downing Street.
The Labour leader insisted his plan for Brexit"really isn't that complicated"and he'd"get it sorted within six months".
In their last pre-election parliamentary head-to-head,Boris Johnson wanted to talk Brexit while Jeremy Corbyn focused on the overstretched health system.
This will be a"get Brexit done"election,the de facto second referendum that many had warned mustn't happen.
Britain is set for a pre-Christmas,pre-Brexit election after its Parliament voted overwhelmingly to go to the polls on December 12.