Resource allocations are jointly determined by the actions of social planners and households. In this paper, we highlight the distinction between planner optimization and household optimization. We show that planner optimization is a partial substitute for household optimization and that this is...

Bernanke (2005) hypothesized that a "global savings glut" was causing large trade imbalances. However, we show that the global savings rates did not show a robust upward trend during the relevant period. Moreover, if there had been a global savings glut there should have been a large investment...