We interpret fluctuations in GNP and unemployment as due to two types of disturbances: disturbances that have a permanent effect on output and disturbances that do not. We interpret the first as supply disturbances, the second as demand disturbances. We find that demand disturbances have a hump...

In this paper we argue that measured (RPI) inflation is conceptually mismatched with core inflation: the difference is more than just "measurement error". We propose a technique for measuring core inflation, based on an explicit long-run economic hypothesis. Core inflation is defined as that...

When communism fell in 1989, the question for most Eastern European countries was not whether to go to a market economy, but how to get there. Several years later, the difficult process of privatization and restructuring continues to concern the countries of the region. The Transition in Eastern...