"This paper provides an overview, using extensive documentary material, of developments in U.K. macroeconomic policy in the last half-century. Rather than focusing on well-known recent changes in policy arrangements (such as the introduction of inflation targeting in 1992 or central bank...

"Death of a Theory," presented in St. Louis. January 13, 2012.

"SNEAK PREVIEW: Death of a Theory." Presented at the Korea-America Economic Association, Chicago, Illinois. January 7, 2012.

Since a series of crisis events after 2007, the discussion about the adjustment channels of current account imbalances has been revived. We discuss the effectiveness of exchange rates versus macroeconomic policies to rebalance current accounts for a set of 86 mainly emerging market economies. We...

There exist sticky price models in which the output response to a government spending change can be large if the central bank is nonresponsive to inflation. According to this “expected inflation channel," government spending drives up expected inflation, which in turn, reduces the real...

This paper develops an overlapping-generations model with heterogeneous agents in terms of earning ability and cash-in-advance constraint. It shows that tax policy cannot fully replicate or neutralize the redistributive implications of monetary policy. While who gets the extra money becomes...

A model is constructed in which consumers and banks have incentives to fake the quality of collateral. Conventional monetary easing can exacerbate these problems, in that the mispresentation of collateral becomes more profitable, thus increasing haircuts and interest rate differentials. Central...

In this note we elaborate on the effect of the modeling choice of the zero lower bound on the size of the fiscal multiplier. To this end we contrast two different ways to implement the ZLB in a New Keynesian model: the ZLB modeled as an endogenous central bank reaction to a contractionary demand...