The paper deals with a newly discovered credit card puzzle. Many US households revolve a balance on high-interest credit cards while holding low-interest liquid or total safe assets that could be used to repay this balance. Such behavior seems to ignore obvious arbitrage opportunities and to...

This paper discusses calibration and numerical solution of a wide range of household portfolio models. We illustrate the main conceptual, technical, and computational issues that arise in the context of household portfolio choice, and explore the implications of alternative modeling choices. We...