The simple fact is that annual production and thus the annual renewability of grain and oilseed supplies allows for a quick production response to high prices. Generally, it takes a longer period of time for demand to grow in response to low prices.High prices (and good weather) are the best cure for high grain and oilseed prices, to paraphrase the old economic cliché, and the experience following 2012/13 offers vivid confirmation of this. Three years of record or near-record U.S./world crop production and growing stocks have buried those loudly-voiced fears of shortages and growing world hunger, which even at that time were overblown. Political critics of high crop prices, futures markets, lax regulation, excessive speculation, crops for b...