They will unveil further measures to secure the votes of traditionally-minded electors who want to see more support for marriage and the one-earner family.
But that same money disappears fast for a two-earner family in a high-cost city like New York, Chicago or Los Angeles, with three children approaching college age and parents who may need financial help.
The report looks at elements of the system of state support which have the effect of cutting a family income in real terms, as a second earner works more.