London Telegraph 
Wednesday, Dec 03, 2008
The price of key industrial metals has fallen further over the last four months than occurred during the worst years of Great Depression between 1929 and 1933, according to research by Barclays Capital.
Kevin Norrish, the bank’s commodities strategist, said the average fall in the price of copper, lead, and zinc has been roughly 60pc since the peak in July this year. All three metals were traded on the London Metal Exchange in the inter-war years so it is possible to make a comparison.
Prices for the three metals fell 40pc from their highs in 1929 before touching bottom in 1933, with the bulk of the fall in 1930 as the slump spread worldwide. “Lead and zinc have already lost more than they did in the 1930s,” he said.
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Copper was hit hardest during the Depression, despite the electrification drive in the US and the Soviet Union, falling 70pc at one stage before creeping back in the mid-1930s. The reason was an 85pc fall in US construction, then the biggest user of the metal.