
The possibility of capping the benefits of families with a certain number of children is expected to be raised again by Work and Pensions Secretary Iain Duncan Smith.
In a speech, he is also set to say school leavers should not be able to go straight onto housing benefit.
Some parts of the benefit system are "destructive", he will add.
Labour said the government's welfare changes meant working people were paying more in and getting less back.
Cultural change
Mr Duncan Smith will ask whether families should be able to expect never-ending amounts of money for every child, when working households have to make tough choices about what they can afford.
His overarching message is expected to be that a cultural change is required - both in the minds of those on benefits and in government - that treats the welfare system as a springboard into work, rather than something that traps people into a life of dependency.
For government the cultural change means judging spending not on the amount put in but on the results produced.
BBC political correspondent Gary O'Donoghue said this was a useful argument at a time when ministers said they needed to cut a further ?10bn from the welfare budget.
Chancellor George Osborne intends to save that amount in benefit costs by 2016-17 on top of the ?18bn already being reduced.

Yet this government sees fit to give ?40,000 to 8,000 millionaires in tax cuts, yet is cutting tax credits so hard that thousands are now better off on benefits.



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and that other blokes party) and putting in a genuine structured Gov.
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