This article, based on two books (2008, forthcoming), sets out principles for pension design: pension systems have multiple objectives, analysis should consider the pension system as a whole, analysis should be in a second-best context, different systems share risks differently and have...

There is wide agreement the US student loan system faces significant problems. Seven million borrowers are in default and many more experience non-repayment. The stress of repayments faced by many students results at least in part from the design of US student loans. Specifically, loans are...