The authors analyze several reasonable policy options for pay-as-you-go Social Security that might be adopted in response to a temporary demographic bulge. The bulge generation enters the economy, works, retires, andexits the economy. Three of the policies maintain a balanced budget. Under the...

One criterion for evaluating a nation's military structure is its impact on crisis stability. This article presents a model to capture the process of interacting expectations that determines whether initial suspicions are sufficient to cause one or both nations to strike rather than wait during...