One of the most remarkable characteristics of the world economy today is the enormous, ever worsening US balance of payments current account deficit, which reached a record level of 5.7 p.c. of GDP in 2004. This has given rise to concerns in academic and political circles regarding the...

In the past few years, constant price increases have attracted much attention to commodity markets. The nominal prices of oil and most metals reached record levels, and their real prices reached the highest level in many years. The recent price surge was due mainly to a strong increase in demand...