We use a simple model to show why previous empirical studies of budget policy effects are flawed. Due to an identification problem, those studies' findings can be shown to be consistent with policies either mattering or not. We argue that this problem is difficult and not likely to be resolved soon.

The history of money is marked by innovations that have expanded the role of "inside money"-money created by the private sector. For instance, the past few years have seen the development of several types of on-line payment arrangements, some of which have been dubbed "on-line currencies." ;...

In Privatopia, Evan McKenzie documents the history and legal structure of common interest developments, a form of residential community organization. McKenzie also looks at possible explanations for the rising popularity of these organizations despite the fact that their governing associations...

Since the Great Depression, the Fed has historically intervened during potential financial crises to ensure that financial market participants were provided with the liquidity necessary to complete their transactions. In recent years, this part of the Fed's role in the payments system has come...

Though checks' popularity is now waning in favor of electronic payments, checks were, for much of the twentieth century, the most widely used noncash payment method in the United States. How did such a relatively inefficient form of payment become so dominant? This article traces the historical...