We investigate whether long-term co-movements among the prices of precious metals commodity futures contracts can be observed. The past literature on agricultural commodity futures prices obtains the mixed results. We find that there is no long-term interdependence among the prices of the four...

The Purchasing Managers' Index (PMI) is one of the key variables to which economists pay considerable attention for assessing US economic activities, particularly, business conditions in the manufacturing sector. Although the PMI has been used to assess the US economy, there is hardly any...