Harvey, David I.; Kellard, Neil M.; Madsen, Jakob B.; … - In: The Review of Economics and Statistics 92 (2010) 2, pp. 367-377
We employ a unique data set and new time-series techniques to reexamine the existence of trends in relative primary commodity prices. The data set comprises 25 commodities and provides a new historical perspective, spanning the seventeenth to the twenty-first centuries. New tests for the trend...