This paper analyses the importance of common factors in shaping non-fuel commodityprice movements for the period 1957-2008. For this purpose, a dynamic factor modelis estimated using Kalman Filtering techniques. Based on this set-up we are able toseparate common and idiosyncratic developments of...

Amid the recent commodity price gyrations, policy makers have become increasinglyconcerned in assessing to what extent oil and food price shocks transmit to theinflationary outlook and the real economy. In this paper, we try to tackle this issue bymeans of a Global Vector Autoregressive (GVAR)...

While consumption habits have been utilised as a means of generating a hump shapedoutput response to monetary policy shocks in sticky-price New Keynesian economies,there is relatively little analysis of the impact of habits (particularly, external habits) onoptimal policy. In this paper we...

Recently there has been much interest in studying monetary policy under model uncertainty. We develop methods to analyze different sources of uncertainty in one coherent structure useful for policy decisions. We show how to estimate the size of the uncertainty based on time series data, and...