Krugman, Commodity Prices, and Speculators
Paul Krugman was gracious enough to acknowledge our past differences on the matter of commodities speculation, which was specifically about oil markets. It was the subject of a long running argument conversation between his blog and mine in spring 2008, which I recapped in ECONNED.
In brief, Krugman contended that the skyrocketing oil prices of early 2008 were the result of fundamental factors (and we pointed out that we were puzzled by his stance, since he, unlike the vast majority of Serious Economists, has been willing to call some past bubbles in their making). As he reiterates on his blog today, if the prices exceed the level dictated by supply and demand in the real economy, a standard microeconomic analysis would expect there to be inventory accumulation, aka hoarding.
Read more...