What services would you cut?
He said he wanted the "best people in their fields" from inside and outside government involved and a "wider public engagement exercise" over the summer.
Labour has said the government is wrong to focus on cuts not growth. Shadow Chancellor Alastair Darling said it was thanks to Labour's actions that the government had inherited a growing economy, and the proposal for immediate cuts risked the prospect of recovery.
How should the government cut back? Would public services be more efficiently carried out by voluntary organisations? Should the government be concentrating on growth or cuts?
This debate has now been closed. Thank you for your comments.