In this paper, we solve a large class of non-linear rational expectations models with regime switching, i.e. recurring shifts in parameters. The regime-switches and the shocks may follow state-dependent probability distributions. Using a perturbation approach, we first prove that sufficient...

The current financial crisis has revived the interest for monitoring both monetary and credit developments. Over the past two decades, consistent with the adoption of inflation targeting strategies by a growing number of central banks and the development of New Keynesian models for which...

Suppose the nominal money supply could be cut literally overnight by, say, 20%. What would happen to prices, wages, output? The answer can be found in 1720s France, where just such an experiment was carried out, repeatedly. Prices adjusted instantaneously and fully on one market only, that for...

On December 14, 2006, the United States Mint announced new regulations to limit the melting and exportation of pennies and nickels. The goal is to prevent a shortage of small change in circulation. This article looks at the problem in historical context and suggests solutions.

Herein, I review Peter Temin's book, "The Roman Market Economy", and take the occasion to alert economists to the exciting work that is being done and could be done in the economic history of the ancient world. (JEL C80, N01, N13, N73)

Bitcoin is a digital currency that was launched in 2009, and it has attracted much attention recently. This article reviews the mechanics of the currency and offers some thoughts on its characteristics.