The past 25 years has seen substantial change in the social safety nets for families with children in the US and Canada. Both countries have moved away from cash welfare but the US has done so relying more exclusively on inwork benefits with work requirements. This paper examines this evolution...

We develop a rational expectations framework to study the consequences of alternative means to resolve the "unfunded liabilities'' problem---unsustainable exponential growth in federal Social Security, Medicare, and Medicaid spending with no plan to finance it. Resolution requires specifying a...