This paper uses a recently suggested test for unit roots in panels of time series data (Maddala and Wu, Oxford Bulletin of Economics and Statistics, 61, 631-52, 1999) to consider the Purchasing Power Parity hypothesis. The major innovation of this test is that it allows both the testing of unit...

This article examines the role of the consumption-wealth channel in explaining asymmetric effects of monetary policy changes. Towards this end, we draw upon available literature on the consumption function and behavioural finance to construct a framework for asymmetric effects of monetary policy...

We consider the response of both nominal and real commodity prices on world markets to real and nominal shocks by hypothesizing that nominal shocks can permanently affect nominal commodity prices, but can have only temporary effects on real commodity prices. Real shocks, in contrast, can have...