The level of public "despair" about MPs' expenses means political leaders "have to try and see" if they can bring in further reforms to the system, Nick Clegg has told ITV News.
The Liberal Democrat leader said he was "always prepared" for cross-party discussions on the issue.
However, he also stressed "the important thing" is that new rules brought in under this government mean MPs' claims are now assessed by an independent body, rather than a committee of fellow MPs.
Maria Miller handed in her resignation today, saying the row over her expenses had become 'an enormous distraction'.
It is possible that the Chancellor had come to a different conclusion from the PM as to which way the Maria Miller crisis was going.
The son of a Pakistani immigrant, the newly-appointed Culture Secretary has been tipped by some as a future Conservative leader.