more, generating realistic dynamics. In the consumption-savings model, the consumer decides to pay little or no attention …

We view sustainability as a requirement that welfare should not be expected to decline over time. We impose this … requirement as a prior constraint on the consumption-savings-investment problem, and study its implications for saving, risky …

-cost intervention that substantially simplifies the retirement savings plan participation decision. Individuals received an opportunity … to enroll in a retirement savings plan at a pre-selected contribution rate and asset allocation, allowing them to … increase contribution rates among employees who are already participating in a savings plan …

Faced with income fluctuations, countries smooth their consumption by raising savings when income is high, and vice … versa. How much of these savings do countries invest at home and abroad? In other words, what are the effects of … fluctuations in savings on domestic investment and the current account? In the long run, we find that countries invest the marginal …